22647955 has 16 divisors (see below), whose sum is σ = 29743200. Its totient is φ = 16418560.

The previous prime is 22647913. The next prime is 22647967. The reversal of 22647955 is 55974622.

It is not a de Polignac number, because 22647955 - 2¹³ = 22639763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27591 + ... + 28399.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 2^22647955 is an apocalyptic number.

22647955 is a deficient number, since it is larger than the sum of its proper divisors (7095245).

22647955 is a wasteful number, since it uses less digits than its factorization.

22647955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its digits is 151200, while the sum is 40.

The square root of 22647955 is about 4758.9867619064. The cubic root of 22647955 is about 282.9282616051.

The spelling of 22647955 in words is "twenty-two million, six hundred forty-seven thousand, nine hundred fifty-five".