22597541 has 2 divisors, whose sum is σ = 22597542. Its totient is φ = 22597540.

The previous prime is 22597537. The next prime is 22597567. The reversal of 22597541 is 14579522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19096900 + 3500641 = 4370^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 22597541 - 2² = 22597537 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22597501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11298770 + 11298771.

It is an arithmetic number, because the mean of its divisors is an integer number (11298771).

Almost surely, 2^22597541 is an apocalyptic number.

It is an amenable number.

22597541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22597541 is an equidigital number, since it uses as much as digits as its factorization.

22597541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 22597541 is about 4753.6870952977. The cubic root of 22597541 is about 282.7181743225.

The spelling of 22597541 in words is "twenty-two million, five hundred ninety-seven thousand, five hundred forty-one".