22713855 has 16 divisors (see below), whose sum is σ = 37515264. Its totient is φ = 11723040.

The previous prime is 22713841. The next prime is 22713883. The reversal of 22713855 is 55831722.

It is not a de Polignac number, because 22713855 - 2²⁰ = 21665279 is a prime.

It is a super-2 number, since 2×22713855² = 1031838417922050, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23959 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (2344704).

Almost surely, 2^22713855 is an apocalyptic number.

22713855 is a deficient number, since it is larger than the sum of its proper divisors (14801409).

22713855 is a wasteful number, since it uses less digits than its factorization.

22713855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48886.

The product of its digits is 16800, while the sum is 33.

The square root of 22713855 is about 4765.9054753530. The cubic root of 22713855 is about 283.2024131789.

The spelling of 22713855 in words is "twenty-two million, seven hundred thirteen thousand, eight hundred fifty-five".