22815988751 has 2 divisors, whose sum is σ = 22815988752. Its totient is φ = 22815988750.

The previous prime is 22815988739. The next prime is 22815988759. The reversal of 22815988751 is 15788951822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22815988751 - 2¹⁸ = 22815726607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22815988759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11407994375 + 11407994376.

It is an arithmetic number, because the mean of its divisors is an integer number (11407994376).

Almost surely, 2^22815988751 is an apocalyptic number.

22815988751 is a deficient number, since it is larger than the sum of its proper divisors (1).

22815988751 is an equidigital number, since it uses as much as digits as its factorization.

22815988751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 56.

The spelling of 22815988751 in words is "twenty-two billion, eight hundred fifteen million, nine hundred eighty-eight thousand, seven hundred fifty-one".