22751388631 has 2 divisors, whose sum is σ = 22751388632. Its totient is φ = 22751388630.

The previous prime is 22751388617. The next prime is 22751388637. The reversal of 22751388631 is 13688315722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22751388631 - 2⁷ = 22751388503 is a prime.

It is a super-2 number, since 2×22751388631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22751388637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11375694315 + 11375694316.

It is an arithmetic number, because the mean of its divisors is an integer number (11375694316).

Almost surely, 2^22751388631 is an apocalyptic number.

22751388631 is a deficient number, since it is larger than the sum of its proper divisors (1).

22751388631 is an equidigital number, since it uses as much as digits as its factorization.

22751388631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The spelling of 22751388631 in words is "twenty-two billion, seven hundred fifty-one million, three hundred eighty-eight thousand, six hundred thirty-one".