22748861591 has 2 divisors, whose sum is σ = 22748861592. Its totient is φ = 22748861590.

The previous prime is 22748861561. The next prime is 22748861609. The reversal of 22748861591 is 19516884722.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22748861591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22748861561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11374430795 + 11374430796.

It is an arithmetic number, because the mean of its divisors is an integer number (11374430796).

Almost surely, 2^22748861591 is an apocalyptic number.

22748861591 is a deficient number, since it is larger than the sum of its proper divisors (1).

22748861591 is an equidigital number, since it uses as much as digits as its factorization.

22748861591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 53.

The spelling of 22748861591 in words is "twenty-two billion, seven hundred forty-eight million, eight hundred sixty-one thousand, five hundred ninety-one".