22972199 has 2 divisors, whose sum is σ = 22972200. Its totient is φ = 22972198.

The previous prime is 22972189. The next prime is 22972207. The reversal of 22972199 is 99127922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22972199 - 2⁸ = 22971943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22972189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11486099 + 11486100.

It is an arithmetic number, because the mean of its divisors is an integer number (11486100).

Almost surely, 2^22972199 is an apocalyptic number.

22972199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22972199 is an equidigital number, since it uses as much as digits as its factorization.

22972199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 22972199 is about 4792.9321923015. The cubic root of 22972199 is about 284.2720686771.

The spelling of 22972199 in words is "twenty-two million, nine hundred seventy-two thousand, one hundred ninety-nine".