22798993531 has 2 divisors, whose sum is σ = 22798993532. Its totient is φ = 22798993530.

The previous prime is 22798993523. The next prime is 22798993549. The reversal of 22798993531 is 13539989722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22798993531 - 2³ = 22798993523 is a prime.

It is a super-2 number, since 2×22798993531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22798993561) 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, 11399496765 + 11399496766.

It is an arithmetic number, because the mean of its divisors is an integer number (11399496766).

Almost surely, 2^22798993531 is an apocalyptic number.

22798993531 is a deficient number, since it is larger than the sum of its proper divisors (1).

22798993531 is an equidigital number, since it uses as much as digits as its factorization.

22798993531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 58.

The spelling of 22798993531 in words is "twenty-two billion, seven hundred ninety-eight million, nine hundred ninety-three thousand, five hundred thirty-one".