22875131557 has 2 divisors, whose sum is σ = 22875131558. Its totient is φ = 22875131556.

The previous prime is 22875131519. The next prime is 22875131561. The reversal of 22875131557 is 75513157822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21283600321 + 1591531236 = 145889^2 + 39894^2 .

It is a cyclic number.

It is not a de Polignac number, because 22875131557 - 2²³ = 22866742949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22875131057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11437565778 + 11437565779.

It is an arithmetic number, because the mean of its divisors is an integer number (11437565779).

Almost surely, 2^22875131557 is an apocalyptic number.

It is an amenable number.

22875131557 is a deficient number, since it is larger than the sum of its proper divisors (1).

22875131557 is an equidigital number, since it uses as much as digits as its factorization.

22875131557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 46.

The spelling of 22875131557 in words is "twenty-two billion, eight hundred seventy-five million, one hundred thirty-one thousand, five hundred fifty-seven".