22585973 has 2 divisors, whose sum is σ = 22585974. Its totient is φ = 22585972.

The previous prime is 22585963. The next prime is 22585987. The reversal of 22585973 is 37958522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15225604 + 7360369 = 3902^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 22585973 - 2¹⁶ = 22520437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22585973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22585963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11292986 + 11292987.

It is an arithmetic number, because the mean of its divisors is an integer number (11292987).

Almost surely, 2^22585973 is an apocalyptic number.

It is an amenable number.

22585973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22585973 is an equidigital number, since it uses as much as digits as its factorization.

22585973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 22585973 is about 4752.4701998014. The cubic root of 22585973 is about 282.6699236144.

The spelling of 22585973 in words is "twenty-two million, five hundred eighty-five thousand, nine hundred seventy-three".