22456004 has 12 divisors (see below), whose sum is σ = 41006784. Its totient is φ = 10739784.

The previous prime is 22456001. The next prime is 22456009. The reversal of 22456004 is 40065422.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (22456001) 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, 121952 + ... + 122135.

It is an arithmetic number, because the mean of its divisors is an integer number (3417232).

Almost surely, 2^22456004 is an apocalyptic number.

It is an amenable number.

22456004 is a deficient number, since it is larger than the sum of its proper divisors (18550780).

22456004 is a wasteful number, since it uses less digits than its factorization.

22456004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244114 (or 244112 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22456004 is about 4738.7766353775. The cubic root of 22456004 is about 282.1266805048.

The spelling of 22456004 in words is "twenty-two million, four hundred fifty-six thousand, four".