22253256 has 48 divisors (see below), whose sum is σ = 63445200. Its totient is φ = 7026912.

The previous prime is 22253239. The next prime is 22253261. The reversal of 22253256 is 65235222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6766 + ... + 9501.

It is an arithmetic number, because the mean of its divisors is an integer number (1321775).

Almost surely, 2^22253256 is an apocalyptic number.

It is an amenable number.

22253256 is an abundant number, since it is smaller than the sum of its proper divisors (41191944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22253256 is a wasteful number, since it uses less digits than its factorization.

22253256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16298 (or 16291 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 22253256 is about 4717.3356887124. The cubic root of 22253256 is about 281.2750354010.

Adding to 22253256 its reverse (65235222), we get a palindrome (87488478).

The spelling of 22253256 in words is "twenty-two million, two hundred fifty-three thousand, two hundred fifty-six".