22992197 has 2 divisors, whose sum is σ = 22992198. Its totient is φ = 22992196.

The previous prime is 22992187. The next prime is 22992209. The reversal of 22992197 is 79129922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20921476 + 2070721 = 4574^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 22992197 - 2¹⁰ = 22991173 is a prime.

It is a super-2 number, since 2×22992197² = 1057282245773618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22992107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11496098 + 11496099.

It is an arithmetic number, because the mean of its divisors is an integer number (11496099).

Almost surely, 2^22992197 is an apocalyptic number.

It is an amenable number.

22992197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22992197 is an equidigital number, since it uses as much as digits as its factorization.

22992197 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 22992197 is about 4795.0179353158. The cubic root of 22992197 is about 284.3545339214.

The spelling of 22992197 in words is "twenty-two million, nine hundred ninety-two thousand, one hundred ninety-seven".