22542256 has 40 divisors (see below), whose sum is σ = 47925504. Its totient is φ = 10186560.

The previous prime is 22542229. The next prime is 22542263. The reversal of 22542256 is 65224522.

It is a pancake number, because a pancake can be divided into 22542256 parts by 6714 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46045 + ... + 46531.

Almost surely, 2^22542256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23962752).

22542256 is an abundant number, since it is smaller than the sum of its proper divisors (25383248).

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

22542256 is a wasteful number, since it uses less digits than its factorization.

22542256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 22542256 is about 4747.8685744237. The cubic root of 22542256 is about 282.4874288921.

Adding to 22542256 its reverse (65224522), we get a palindrome (87766778).

The spelling of 22542256 in words is "twenty-two million, five hundred forty-two thousand, two hundred fifty-six".