Correct spelling

22nd

Correct spelling, explanation: as the word form twenty-second ends with nd the number form should also end with nd. This is why 22nd is the correct form. 22th is incorrect, because the full-word form doesn’t end with th. Th ending can be used in ordinal numbers ending with th, for example seventh (7th). Therefore 22nd is the correct way to write this ordinal number.

Definition of 22nd:
numeral, ordinal number between 21st and 23rd
I’m 22nd in the oral exam tomorrow, so I do not have to rush.
This is my 22nd time in Paris. I just love this city.


Incorrect spelling

22th

Incorrect spelling, explanation: 22th is incorrect, since the word twenty-second ends with nd, not th. According to this rule ordinal numbers in their numeral forms end with sound that their full-word forms end with. Therefore 22nd is the correct form here – twenty-second gives nd ending, hence 22nd.

Incorrect spelling

22st

Incorrect spelling

Incorrect spelling

22rd

Incorrect spelling