22390744 has 16 divisors (see below), whose sum is σ = 42489720. Its totient is φ = 11060160.

The previous prime is 22390727. The next prime is 22390747. The reversal of 22390744 is 44709322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22390747) 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, 16197 + ... + 17524.

Almost surely, 2^22390744 is an apocalyptic number.

It is an amenable number.

22390744 is a deficient number, since it is larger than the sum of its proper divisors (20098976).

22390744 is a wasteful number, since it uses less digits than its factorization.

22390744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33810 (or 33806 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22390744 is about 4731.8858819714. The cubic root of 22390744 is about 281.8531166732.

The spelling of 22390744 in words is "twenty-two million, three hundred ninety thousand, seven hundred forty-four".