22712404 has 48 divisors (see below), whose sum is σ = 47557440. Its totient is φ = 9354240.

The previous prime is 22712399. The next prime is 22712419. The reversal of 22712404 is 40421722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33412 + ... + 34084.

It is an arithmetic number, because the mean of its divisors is an integer number (990780).

Almost surely, 2^22712404 is an apocalyptic number.

It is an amenable number.

22712404 is an abundant number, since it is smaller than the sum of its proper divisors (24845036).

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

22712404 is a wasteful number, since it uses less digits than its factorization.

22712404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22712404 is about 4765.7532458154. The cubic root of 22712404 is about 283.1963825652.

The spelling of 22712404 in words is "twenty-two million, seven hundred twelve thousand, four hundred four".