22666679 has 16 divisors (see below), whose sum is σ = 26749440. Its totient is φ = 18805920.

The previous prime is 22666663. The next prime is 22666687. The reversal of 22666679 is 97666622.

It is not a de Polignac number, because 22666679 - 2⁴ = 22666663 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22666619) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28937 + ... + 29709.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 2^22666679 is an apocalyptic number.

22666679 is a deficient number, since it is larger than the sum of its proper divisors (4082761).

22666679 is an equidigital number, since it uses as much as digits as its factorization.

22666679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910.

The product of its digits is 326592, while the sum is 44.

The square root of 22666679 is about 4760.9535809541. The cubic root of 22666679 is about 283.0062096221.

The spelling of 22666679 in words is "twenty-two million, six hundred sixty-six thousand, six hundred seventy-nine".