22456504 has 24 divisors (see below), whose sum is σ = 48981240. Its totient is φ = 9624048.

The previous prime is 22456501. The next prime is 22456517. The reversal of 22456504 is 40565422.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22456501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28252 + ... + 29035.

It is an arithmetic number, because the mean of its divisors is an integer number (2040885).

Almost surely, 2^22456504 is an apocalyptic number.

It is an amenable number.

22456504 is an abundant number, since it is smaller than the sum of its proper divisors (26524736).

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

22456504 is a wasteful number, since it uses less digits than its factorization.

22456504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57307 (or 57296 counting only the distinct ones).

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

The square root of 22456504 is about 4738.8293913160. The cubic root of 22456504 is about 282.1287744110.

The spelling of 22456504 in words is "twenty-two million, four hundred fifty-six thousand, five hundred four".