22638135 has 32 divisors (see below), whose sum is σ = 41307840. Its totient is φ = 10487808.

The previous prime is 22638127. The next prime is 22638149. The reversal of 22638135 is 53183622.

It is not a de Polignac number, because 22638135 - 2³ = 22638127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (1290870).

Almost surely, 2^22638135 is an apocalyptic number.

22638135 is a deficient number, since it is larger than the sum of its proper divisors (18669705).

22638135 is a wasteful number, since it uses less digits than its factorization.

22638135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867.

The product of its digits is 8640, while the sum is 30.

The square root of 22638135 is about 4757.9549178192. The cubic root of 22638135 is about 282.8873637671.

The spelling of 22638135 in words is "twenty-two million, six hundred thirty-eight thousand, one hundred thirty-five".