22928579 has 2 divisors, whose sum is σ = 22928580. Its totient is φ = 22928578.

The previous prime is 22928533. The next prime is 22928617. The reversal of 22928579 is 97582922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22928579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22928509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11464289 + 11464290.

It is an arithmetic number, because the mean of its divisors is an integer number (11464290).

Almost surely, 2^22928579 is an apocalyptic number.

22928579 is a deficient number, since it is larger than the sum of its proper divisors (1).

22928579 is an equidigital number, since it uses as much as digits as its factorization.

22928579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 22928579 is about 4788.3795797744. The cubic root of 22928579 is about 284.0920278034.

The spelling of 22928579 in words is "twenty-two million, nine hundred twenty-eight thousand, five hundred seventy-nine".