22331999959 has 2 divisors, whose sum is σ = 22331999960. Its totient is φ = 22331999958.

The previous prime is 22331999947. The next prime is 22332000013. The reversal of 22331999959 is 95999913322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22331999959 - 2¹¹ = 22331997911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22331999897 and 22331999906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22331999909) 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, 11165999979 + 11165999980.

It is an arithmetic number, because the mean of its divisors is an integer number (11165999980).

Almost surely, 2^22331999959 is an apocalyptic number.

22331999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331999959 is an equidigital number, since it uses as much as digits as its factorization.

22331999959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10628820, while the sum is 61.

The spelling of 22331999959 in words is "twenty-two billion, three hundred thirty-one million, nine hundred ninety-nine thousand, nine hundred fifty-nine".