22672855 has 4 divisors (see below), whose sum is σ = 27207432. Its totient is φ = 18138280.

The previous prime is 22672843. The next prime is 22672879. The reversal of 22672855 is 55827622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22672855 - 2²³ = 14284247 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 2267281 + ... + 2267290.

It is an arithmetic number, because the mean of its divisors is an integer number (6801858).

Almost surely, 2^22672855 is an apocalyptic number.

22672855 is a deficient number, since it is larger than the sum of its proper divisors (4534577).

22672855 is an equidigital number, since it uses as much as digits as its factorization.

22672855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534576.

The product of its digits is 67200, while the sum is 37.

The square root of 22672855 is about 4761.6021463369. The cubic root of 22672855 is about 283.0319108967.

The spelling of 22672855 in words is "twenty-two million, six hundred seventy-two thousand, eight hundred fifty-five".