22510256 has 20 divisors (see below), whose sum is σ = 43715952. Its totient is φ = 11228736.

The previous prime is 22510253. The next prime is 22510259. The reversal of 22510256 is 65201522.

It is an interprime number because it is at equal distance from previous prime (22510253) and next prime (22510259).

It is not an unprimeable number, because it can be changed into a prime (22510253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6650 + ... + 9446.

Almost surely, 2^22510256 is an apocalyptic number.

It is an amenable number.

22510256 is a deficient number, since it is larger than the sum of its proper divisors (21205696).

22510256 is a wasteful number, since it uses less digits than its factorization.

22510256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308 (or 3302 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 22510256 is about 4744.4974444086. The cubic root of 22510256 is about 282.3536966619.

Adding to 22510256 its reverse (65201522), we get a palindrome (87711778).

The spelling of 22510256 in words is "twenty-two million, five hundred ten thousand, two hundred fifty-six".