22797953 has 2 divisors, whose sum is σ = 22797954. Its totient is φ = 22797952.

The previous prime is 22797949. The next prime is 22797979. The reversal of 22797953 is 35979722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13965169 + 8832784 = 3737^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 22797953 - 2² = 22797949 is a prime.

It is not a weakly prime, because it can be changed into another prime (22797913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398976 + 11398977.

It is an arithmetic number, because the mean of its divisors is an integer number (11398977).

Almost surely, 2^22797953 is an apocalyptic number.

It is an amenable number.

22797953 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797953 is an equidigital number, since it uses as much as digits as its factorization.

22797953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 22797953 is about 4774.7202012265. The cubic root of 22797953 is about 283.5515014780.

The spelling of 22797953 in words is "twenty-two million, seven hundred ninety-seven thousand, nine hundred fifty-three".