22

from the GNU version of the Collaborative International Dictionary of English.

• adjective one more than twenty-one; denoting a quantity consisting of twenty-two items or units; -- representing the number twenty-two as Arabic numerals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The cardinal number twenty-two.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a .22 caliber firearm (pistol or rifle)
• noun the cardinal number that is the sum of twenty-one and one
• adjective being two more than twenty