12222340679 has 2 divisors, whose sum is σ = 12222340680. Its totient is φ = 12222340678.

The previous prime is 12222340673. The next prime is 12222340687. The reversal of 12222340679 is 97604322221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12222340679 is a prime.

It is a super-2 number, since 2×12222340679² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222340673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111170339 + 6111170340.

It is an arithmetic number, because the mean of its divisors is an integer number (6111170340).

Almost surely, 2^12222340679 is an apocalyptic number.

12222340679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222340679 is an equidigital number, since it uses as much as digits as its factorization.

12222340679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 12222340679 in words is "twelve billion, two hundred twenty-two million, three hundred forty thousand, six hundred seventy-nine".