22436597 has 2 divisors, whose sum is σ = 22436598. Its totient is φ = 22436596.

The previous prime is 22436581. The next prime is 22436599. The reversal of 22436597 is 79563422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19307236 + 3129361 = 4394^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 22436597 - 2⁴ = 22436581 is a prime.

Together with 22436599, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22436597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22436599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11218298 + 11218299.

It is an arithmetic number, because the mean of its divisors is an integer number (11218299).

Almost surely, 2^22436597 is an apocalyptic number.

It is an amenable number.

22436597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22436597 is an equidigital number, since it uses as much as digits as its factorization.

22436597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 22436597 is about 4736.7285123807. The cubic root of 22436597 is about 282.0453836051.

The spelling of 22436597 in words is "twenty-two million, four hundred thirty-six thousand, five hundred ninety-seven".