"odd and even only applies to integers"

"Only integers are even or odd. We do not call fractions, irrational numbers, imaginary numbers, and so on either even or odd"

Any value that is not an even integer is odd.

2.2 is not even -- "An even number is an integer of the form n=2k, where k is an integer."

"An even number is an integer which is "evenly divisible" by two. This means that if the integer is divided by 2, it yields no remainder."

Convert to an integer (by multiplying by a power of ten) and try it, the answer may be wrong, but it depends on what you want to do with them.

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