22922993 has 2 divisors, whose sum is σ = 22922994. Its totient is φ = 22922992.

The previous prime is 22922971. The next prime is 22923011. The reversal of 22922993 is 39922922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22061809 + 861184 = 4697^2 + 928^2 .

It is a cyclic number.

It is not a de Polignac number, because 22922993 - 2⁸ = 22922737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22922903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11461496 + 11461497.

It is an arithmetic number, because the mean of its divisors is an integer number (11461497).

Almost surely, 2^22922993 is an apocalyptic number.

It is an amenable number.

22922993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22922993 is an equidigital number, since it uses as much as digits as its factorization.

22922993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 22922993 is about 4787.7962571521. The cubic root of 22922993 is about 284.0689551865.

The spelling of 22922993 in words is "twenty-two million, nine hundred twenty-two thousand, nine hundred ninety-three".