22291474 has 16 divisors (see below), whose sum is σ = 34383960. Its totient is φ = 10834560.

The previous prime is 22291469. The next prime is 22291483. The reversal of 22291474 is 47419222.

It can be written as a sum of positive squares in 4 ways, for example, as 9653449 + 12638025 = 3107^2 + 3555^2 .

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, 9832 + ... + 11884.

Almost surely, 2^22291474 is an apocalyptic number.

22291474 is a deficient number, since it is larger than the sum of its proper divisors (12092486).

22291474 is a wasteful number, since it uses less digits than its factorization.

22291474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205.

The product of its digits is 8064, while the sum is 31.

The square root of 22291474 is about 4721.3847544973. The cubic root of 22291474 is about 281.4359649783.

The spelling of 22291474 in words is "twenty-two million, two hundred ninety-one thousand, four hundred seventy-four".