22597074 has 12 divisors (see below), whose sum is σ = 48960366. Its totient is φ = 7532352.

The previous prime is 22597073. The next prime is 22597093. The reversal of 22597074 is 47079522.

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 6796449 = 3975^2 + 2607^2 .

It is a super-2 number, since 2×22597074² = 1021255506722952, which contains 22 as substring.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22597073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 627679 + ... + 627714.

Almost surely, 2^22597074 is an apocalyptic number.

22597074 is an abundant number, since it is smaller than the sum of its proper divisors (26363292).

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

22597074 is a wasteful number, since it uses less digits than its factorization.

22597074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255401 (or 1255398 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 22597074 is about 4753.6379752775. The cubic root of 22597074 is about 282.7162267611.

The spelling of 22597074 in words is "twenty-two million, five hundred ninety-seven thousand, seventy-four".