22255250 has 16 divisors (see below), whose sum is σ = 41662296. Its totient is φ = 8902000.

The previous prime is 22255243. The next prime is 22255253. The reversal of 22255250 is 5255222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8720209 + 13535041 = 2953^2 + 3679^2 .

It is not an unprimeable number, because it can be changed into a prime (22255253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44261 + ... + 44760.

Almost surely, 2^22255250 is an apocalyptic number.

22255250 is a deficient number, since it is larger than the sum of its proper divisors (19407046).

22255250 is an equidigital number, since it uses as much as digits as its factorization.

22255250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89038 (or 89028 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22255250 is about 4717.5470320920. The cubic root of 22255250 is about 281.2834363540.

The spelling of 22255250 in words is "twenty-two million, two hundred fifty-five thousand, two hundred fifty".