22654979 has 2 divisors, whose sum is σ = 22654980. Its totient is φ = 22654978.

The previous prime is 22654967. The next prime is 22655027. The reversal of 22654979 is 97945622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22654979 - 2²⁴ = 5877763 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22654939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11327489 + 11327490.

It is an arithmetic number, because the mean of its divisors is an integer number (11327490).

Almost surely, 2^22654979 is an apocalyptic number.

22654979 is a deficient number, since it is larger than the sum of its proper divisors (1).

22654979 is an equidigital number, since it uses as much as digits as its factorization.

22654979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 22654979 is about 4759.7246769115. The cubic root of 22654979 is about 282.9575075525.

The spelling of 22654979 in words is "twenty-two million, six hundred fifty-four thousand, nine hundred seventy-nine".