diff --git a/numerizer/numerizer.py b/numerizer/numerizer.py
index b2cbbfa..652bd6f 100644
--- a/numerizer/numerizer.py
+++ b/numerizer/numerizer.py
@@ -207,7 +207,7 @@ def _repl_big_prefixes(m):
                 except IndexError:
                     repl = str(v)
                 return repl
-            s = re.sub(pat, _repl_big_prefixes, s, count=1)
+            s = re.sub(pat, _repl_big_prefixes, s)
         s = andition(s)
     return s
 
diff --git a/test_numerize.py b/test_numerize.py
index cedda64..83ee3d4 100644
--- a/test_numerize.py
+++ b/test_numerize.py
@@ -1,4 +1,5 @@
-from numerizer import numerize
+from numerizer import numerizer as num
+numerize = num.numerize
 
 
 def test_init():
@@ -12,7 +13,7 @@ def test_case_insensitive():
     assert numerize('Ninety Nine') == '99'
 
 
-def test_hyenated():
+def test_hyphenated():
     assert numerize('forty-two') == '42'
 
 
@@ -209,3 +210,15 @@ def test_bias_fractional():
     #                                      bias='fractional')
     # assert 'the 1st second 1/3' == numerize('the first second third',
     #                                         bias='fractional')
+
+
+def test_numerize_big_prefixes():
+    s = "two hundred and twenty five thousand seven hundred"
+    s = num.preprocess(s)
+    s = num.numerize_numerals(s)
+    assert num.numerize_big_prefixes(s) == '<num>225700'
+
+
+def test_misc():
+    assert numerize(
+        'two hundred twenty five thousand seven hundred and fifty-five') == '225755'