22897573 has 2 divisors, whose sum is σ = 22897574. Its totient is φ = 22897572.

The previous prime is 22897547. The next prime is 22897579. The reversal of 22897573 is 37579822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14265729 + 8631844 = 3777^2 + 2938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22897573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22897579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11448786 + 11448787.

It is an arithmetic number, because the mean of its divisors is an integer number (11448787).

Almost surely, 2^22897573 is an apocalyptic number.

It is an amenable number.

22897573 is a deficient number, since it is larger than the sum of its proper divisors (1).

22897573 is an equidigital number, since it uses as much as digits as its factorization.

22897573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 22897573 is about 4785.1408547712. The cubic root of 22897573 is about 283.9639121308.

The spelling of 22897573 in words is "twenty-two million, eight hundred ninety-seven thousand, five hundred seventy-three".