22628667 has 24 divisors (see below), whose sum is σ = 32030208. Its totient is φ = 14202960.

The previous prime is 22628657. The next prime is 22628689. The reversal of 22628667 is 76682622.

It is not a de Polignac number, because 22628667 - 2⁴ = 22628651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22628657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135418 + ... + 135584.

It is an arithmetic number, because the mean of its divisors is an integer number (1334592).

Almost surely, 2^22628667 is an apocalyptic number.

22628667 is a deficient number, since it is larger than the sum of its proper divisors (9401541).

22628667 is a wasteful number, since it uses less digits than its factorization.

22628667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 248 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 22628667 is about 4756.9598484747. The cubic root of 22628667 is about 282.8479207205.

The spelling of 22628667 in words is "twenty-two million, six hundred twenty-eight thousand, six hundred sixty-seven".