22597073 has 2 divisors, whose sum is σ = 22597074. Its totient is φ = 22597072.

The previous prime is 22597049. The next prime is 22597093. The reversal of 22597073 is 37079522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22118209 + 478864 = 4703^2 + 692^2 .

It is a cyclic number.

It is not a de Polignac number, because 22597073 - 2⁸ = 22596817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22597013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11298536 + 11298537.

It is an arithmetic number, because the mean of its divisors is an integer number (11298537).

Almost surely, 2^22597073 is an apocalyptic number.

It is an amenable number.

22597073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22597073 is an equidigital number, since it uses as much as digits as its factorization.

22597073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 22597073 is about 4753.6378700949. The cubic root of 22597073 is about 282.7162225907.

The spelling of 22597073 in words is "twenty-two million, five hundred ninety-seven thousand, seventy-three".