22532256 has 60 divisors (see below), whose sum is σ = 66274362. Its totient is φ = 7509888.

The previous prime is 22532239. The next prime is 22532281. The reversal of 22532256 is 65223522.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 291600 = 4716^2 + 540^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1755 + ... + 6938.

Almost surely, 2^22532256 is an apocalyptic number.

It is an amenable number.

22532256 is an abundant number, since it is smaller than the sum of its proper divisors (43742106).

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

22532256 is an equidigital number, since it uses as much as digits as its factorization.

22532256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8715 (or 8698 counting only the distinct ones).

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

The square root of 22532256 is about 4746.8153534765. The cubic root of 22532256 is about 282.4456511732.

Adding to 22532256 its reverse (65223522), we get a palindrome (87755778).

The spelling of 22532256 in words is "twenty-two million, five hundred thirty-two thousand, two hundred fifty-six".