22568274 has 16 divisors (see below), whose sum is σ = 50151840. Its totient is φ = 7522740.

The previous prime is 22568251. The next prime is 22568291. The reversal of 22568274 is 47286522.

22568274 is a `hidden beast` number, since 22 + 568 + 2 + 74 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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, 208912 + ... + 209019.

It is an arithmetic number, because the mean of its divisors is an integer number (3134490).

Almost surely, 2^22568274 is an apocalyptic number.

22568274 is an abundant number, since it is smaller than the sum of its proper divisors (27583566).

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

22568274 is a wasteful number, since it uses less digits than its factorization.

22568274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417942 (or 417936 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22568274 is about 4750.6077505936. The cubic root of 22568274 is about 282.5960683006.

The spelling of 22568274 in words is "twenty-two million, five hundred sixty-eight thousand, two hundred seventy-four".