22539834 has 24 divisors (see below), whose sum is σ = 48926592. Its totient is φ = 7499400.

The previous prime is 22539761. The next prime is 22539899. The reversal of 22539834 is 43893522.

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 11 ways as a sum of consecutive naturals, for example, 14809 + ... + 16259.

It is an arithmetic number, because the mean of its divisors is an integer number (2038608).

Almost surely, 2^22539834 is an apocalyptic number.

22539834 is an abundant number, since it is smaller than the sum of its proper divisors (26386758).

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

22539834 is a wasteful number, since it uses less digits than its factorization.

22539834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 2319 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22539834 is about 4747.6135057521. The cubic root of 22539834 is about 282.4773114626.

The spelling of 22539834 in words is "twenty-two million, five hundred thirty-nine thousand, eight hundred thirty-four".