22598808161 has 2 divisors, whose sum is σ = 22598808162. Its totient is φ = 22598808160.

The previous prime is 22598808137. The next prime is 22598808247. The reversal of 22598808161 is 16180889522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15417940561 + 7180867600 = 124169^2 + 84740^2 .

It is a cyclic number.

It is not a de Polignac number, because 22598808161 - 2³⁴ = 5418938977 is a prime.

It is a super-2 number, since 2×22598808161² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22598808361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11299404080 + 11299404081.

It is an arithmetic number, because the mean of its divisors is an integer number (11299404081).

Almost surely, 2^22598808161 is an apocalyptic number.

It is an amenable number.

22598808161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22598808161 is an equidigital number, since it uses as much as digits as its factorization.

22598808161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 50.

The spelling of 22598808161 in words is "twenty-two billion, five hundred ninety-eight million, eight hundred eight thousand, one hundred sixty-one".