22806979 has 16 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 19169280.

The previous prime is 22806967. The next prime is 22806991. The reversal of 22806979 is 97960822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22806967) and next prime (22806991).

It is not a de Polignac number, because 22806979 - 2⁷ = 22806851 is a prime.

It is a super-2 number, since 2×22806979² = 1040316582212882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22806079) 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, 5187 + ... + 8515.

It is an arithmetic number, because the mean of its divisors is an integer number (1678320).

Almost surely, 2^22806979 is an apocalyptic number.

22806979 is a deficient number, since it is larger than the sum of its proper divisors (4046141).

22806979 is a wasteful number, since it uses less digits than its factorization.

22806979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 22806979 is about 4775.6652939669. The cubic root of 22806979 is about 283.5889170911.

The spelling of 22806979 in words is "twenty-two million, eight hundred six thousand, nine hundred seventy-nine".