Provide your best answer for the following math problem. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The problem is: the number 250 can be written as sum of the squares of 3 different positive integers . what is the sum of these 3 different integers ?
22'
15, 16, 14.