22900597 has 2 divisors, whose sum is σ = 22900598. Its totient is φ = 22900596.

The previous prime is 22900589. The next prime is 22900621. The reversal of 22900597 is 79500922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21446161 + 1454436 = 4631^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 22900597 - 2³ = 22900589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22900697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11450298 + 11450299.

It is an arithmetic number, because the mean of its divisors is an integer number (11450299).

Almost surely, 2^22900597 is an apocalyptic number.

It is an amenable number.

22900597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22900597 is an equidigital number, since it uses as much as digits as its factorization.

22900597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 22900597 is about 4785.4568224988. The cubic root of 22900597 is about 283.9764122776.

The spelling of 22900597 in words is "twenty-two million, nine hundred thousand, five hundred ninety-seven".