22685242 has 16 divisors (see below), whose sum is σ = 37193472. Its totient is φ = 10330560.

The previous prime is 22685237. The next prime is 22685263. The reversal of 22685242 is 24258622.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 9708 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (2324592).

Almost surely, 2^22685242 is an apocalyptic number.

22685242 is a deficient number, since it is larger than the sum of its proper divisors (14508230).

22685242 is a wasteful number, since it uses less digits than its factorization.

22685242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21573.

The product of its digits is 15360, while the sum is 31.

The square root of 22685242 is about 4762.9026863878. The cubic root of 22685242 is about 283.0834450331.

The spelling of 22685242 in words is "twenty-two million, six hundred eighty-five thousand, two hundred forty-two".