22979919907 has 4 divisors (see below), whose sum is σ = 26262765616. Its totient is φ = 19697074200.

The previous prime is 22979919889. The next prime is 22979919913. The reversal of 22979919907 is 70991997922.

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 22979919907 - 2²⁷ = 22845702179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22979919917) 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, 1641422844 + ... + 1641422857.

It is an arithmetic number, because the mean of its divisors is an integer number (6565691404).

Almost surely, 2^22979919907 is an apocalyptic number.

22979919907 is a deficient number, since it is larger than the sum of its proper divisors (3282845709).

22979919907 is an equidigital number, since it uses as much as digits as its factorization.

22979919907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282845708.

The product of its (nonzero) digits is 11573604, while the sum is 64.

The spelling of 22979919907 in words is "twenty-two billion, nine hundred seventy-nine million, nine hundred nineteen thousand, nine hundred seven".