22431312199 has 2 divisors, whose sum is σ = 22431312200. Its totient is φ = 22431312198.

The previous prime is 22431312187. The next prime is 22431312223. The reversal of 22431312199 is 99121313422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22431312199 - 2⁹ = 22431311687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22431312119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11215656099 + 11215656100.

It is an arithmetic number, because the mean of its divisors is an integer number (11215656100).

Almost surely, 2^22431312199 is an apocalyptic number.

22431312199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22431312199 is an equidigital number, since it uses as much as digits as its factorization.

22431312199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The spelling of 22431312199 in words is "twenty-two billion, four hundred thirty-one million, three hundred twelve thousand, one hundred ninety-nine".