22631056 has 20 divisors (see below), whose sum is σ = 50111872. Its totient is φ = 9698976.

The previous prime is 22631047. The next prime is 22631069. The reversal of 22631056 is 65013622.

It is a self number, because there is not a number n which added to its sum of digits gives 22631056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100920 + ... + 101143.

Almost surely, 2^22631056 is an apocalyptic number.

It is an amenable number.

22631056 is an abundant number, since it is smaller than the sum of its proper divisors (27480816).

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

22631056 is a wasteful number, since it uses less digits than its factorization.

22631056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202078 (or 202072 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22631056 is about 4757.2109476036. The cubic root of 22631056 is about 282.8578741703.

Adding to 22631056 its reverse (65013622), we get a palindrome (87644678).

The spelling of 22631056 in words is "twenty-two million, six hundred thirty-one thousand, fifty-six".