22685524 has 6 divisors (see below), whose sum is σ = 39699674. Its totient is φ = 11342760.

The previous prime is 22685519. The next prime is 22685527. The reversal of 22685524 is 42558622.

It can be written as a sum of positive squares in only one way, i.e., 19963024 + 2722500 = 4468^2 + 1650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22685524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22685527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835687 + ... + 2835694.

Almost surely, 2^22685524 is an apocalyptic number.

It is an amenable number.

22685524 is a deficient number, since it is larger than the sum of its proper divisors (17014150).

22685524 is a wasteful number, since it uses less digits than its factorization.

22685524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671385 (or 5671383 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 22685524 is about 4762.9322900919. The cubic root of 22685524 is about 283.0846180307.

The spelling of 22685524 in words is "twenty-two million, six hundred eighty-five thousand, five hundred twenty-four".