22672657 has 4 divisors (see below), whose sum is σ = 25911616. Its totient is φ = 19433700.

The previous prime is 22672627. The next prime is 22672691. The reversal of 22672657 is 75627622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22672657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22672627) 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 3 ways as a sum of consecutive naturals, for example, 1619469 + ... + 1619482.

It is an arithmetic number, because the mean of its divisors is an integer number (6477904).

Almost surely, 2^22672657 is an apocalyptic number.

It is an amenable number.

22672657 is a deficient number, since it is larger than the sum of its proper divisors (3238959).

22672657 is an equidigital number, since it uses as much as digits as its factorization.

22672657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238958.

The product of its digits is 70560, while the sum is 37.

The square root of 22672657 is about 4761.5813549702. The cubic root of 22672657 is about 283.0310869969.

The spelling of 22672657 in words is "twenty-two million, six hundred seventy-two thousand, six hundred fifty-seven".