22708979 has 2 divisors, whose sum is σ = 22708980. Its totient is φ = 22708978.

The previous prime is 22708969. The next prime is 22709003. The reversal of 22708979 is 97980722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22708979 - 2²⁴ = 5931763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22708919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354489 + 11354490.

It is an arithmetic number, because the mean of its divisors is an integer number (11354490).

Almost surely, 2^22708979 is an apocalyptic number.

22708979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22708979 is an equidigital number, since it uses as much as digits as its factorization.

22708979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22708979 is about 4765.3938976752. The cubic root of 22708979 is about 283.1821466383.

The spelling of 22708979 in words is "twenty-two million, seven hundred eight thousand, nine hundred seventy-nine".