22572256 has 24 divisors (see below), whose sum is σ = 50788080. Its totient is φ = 9673728.

The previous prime is 22572241. The next prime is 22572259. The reversal of 22572256 is 65227522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572259) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50161 + ... + 50608.

It is an arithmetic number, because the mean of its divisors is an integer number (2116170).

Almost surely, 2^22572256 is an apocalyptic number.

It is an amenable number.

22572256 is an abundant number, since it is smaller than the sum of its proper divisors (28215824).

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

22572256 is a wasteful number, since it uses less digits than its factorization.

22572256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100786 (or 100778 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 22572256 is about 4751.0268363797. The cubic root of 22572256 is about 282.6126879642.

Adding to 22572256 its reverse (65227522), we get a palindrome (87799778).

The spelling of 22572256 in words is "twenty-two million, five hundred seventy-two thousand, two hundred fifty-six".