22406640239 has 2 divisors, whose sum is σ = 22406640240. Its totient is φ = 22406640238.

The previous prime is 22406640229. The next prime is 22406640299. The reversal of 22406640239 is 93204660422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22406640239 - 2¹² = 22406636143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22406640209) 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, 11203320119 + 11203320120.

It is an arithmetic number, because the mean of its divisors is an integer number (11203320120).

Almost surely, 2^22406640239 is an apocalyptic number.

22406640239 is a deficient number, since it is larger than the sum of its proper divisors (1).

22406640239 is an equidigital number, since it uses as much as digits as its factorization.

22406640239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 22406640239 in words is "twenty-two billion, four hundred six million, six hundred forty thousand, two hundred thirty-nine".