22474072 has 32 divisors (see below), whose sum is σ = 44222400. Its totient is φ = 10692864.

The previous prime is 22474069. The next prime is 22474087. The reversal of 22474072 is 27047422.

It is a super-2 number, since 2×22474072² = 1010167824522368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22474072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16273 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (1381950).

Almost surely, 2^22474072 is an apocalyptic number.

It is an amenable number.

22474072 is a deficient number, since it is larger than the sum of its proper divisors (21748328).

22474072 is a wasteful number, since it uses less digits than its factorization.

22474072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 22474072 is about 4740.6826512645. The cubic root of 22474072 is about 282.2023261739.

The spelling of 22474072 in words is "twenty-two million, four hundred seventy-four thousand, seventy-two".