The noun has 2 meanings:
Meaning #1:
the cardinal number that is the sum of twenty-one and one
Synonyms: 22, XXII
Meaning #2:
a .22 caliber firearm (pistol or rifle)
Synonym: .22
The adjective twenty-two has one meaning:
Meaning #1:
being two more than twenty
Synonyms: 22, xxii




