22464980557 has 2 divisors, whose sum is σ = 22464980558. Its totient is φ = 22464980556.

The previous prime is 22464980537. The next prime is 22464980561. The reversal of 22464980557 is 75508946422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15323716521 + 7141264036 = 123789^2 + 84506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22464980557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22464980537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232490278 + 11232490279.

It is an arithmetic number, because the mean of its divisors is an integer number (11232490279).

Almost surely, 2^22464980557 is an apocalyptic number.

It is an amenable number.

22464980557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22464980557 is an equidigital number, since it uses as much as digits as its factorization.

22464980557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 22464980557 in words is "twenty-two billion, four hundred sixty-four million, nine hundred eighty thousand, five hundred fifty-seven".