22904867 has 4 divisors (see below), whose sum is σ = 23694720. Its totient is φ = 22115016.

The previous prime is 22904807. The next prime is 22904909. The reversal of 22904867 is 76840922.

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

It is a cyclic number.

It is not a de Polignac number, because 22904867 - 2¹⁸ = 22642723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22904867.

It is not an unprimeable number, because it can be changed into a prime (22904807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394883 + ... + 394940.

It is an arithmetic number, because the mean of its divisors is an integer number (5923680).

Almost surely, 2^22904867 is an apocalyptic number.

22904867 is a deficient number, since it is larger than the sum of its proper divisors (789853).

22904867 is an equidigital number, since it uses as much as digits as its factorization.

22904867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789852.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 22904867 is about 4785.9029451087. The cubic root of 22904867 is about 283.9940610740.

The spelling of 22904867 in words is "twenty-two million, nine hundred four thousand, eight hundred sixty-seven".