22646593879 has 16 divisors (see below), whose sum is σ = 28185917760. Its totient is φ = 17716849920.

The previous prime is 22646593873. The next prime is 22646593903. The reversal of 22646593879 is 97839564622.

It is not a de Polignac number, because 22646593879 - 2⁵ = 22646593847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646593873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390012 + ... + 1406209.

It is an arithmetic number, because the mean of its divisors is an integer number (1761619860).

Almost surely, 2^22646593879 is an apocalyptic number.

22646593879 is a deficient number, since it is larger than the sum of its proper divisors (5539323881).

22646593879 is a wasteful number, since it uses less digits than its factorization.

22646593879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796330.

The product of its digits is 39191040, while the sum is 61.

The spelling of 22646593879 in words is "twenty-two billion, six hundred forty-six million, five hundred ninety-three thousand, eight hundred seventy-nine".