22474456 has 8 divisors (see below), whose sum is σ = 42139620. Its totient is φ = 11237224.

The previous prime is 22474453. The next prime is 22474471. The reversal of 22474456 is 65447422.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22474453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404646 + ... + 1404661.

Almost surely, 2^22474456 is an apocalyptic number.

It is an amenable number.

22474456 is a deficient number, since it is larger than the sum of its proper divisors (19665164).

22474456 is a wasteful number, since it uses less digits than its factorization.

22474456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809313 (or 2809309 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 22474456 is about 4740.7231515877. The cubic root of 22474456 is about 282.2039334346.

The spelling of 22474456 in words is "twenty-two million, four hundred seventy-four thousand, four hundred fifty-six".