222323931913 has 2 divisors, whose sum is σ = 222323931914. Its totient is φ = 222323931912.

The previous prime is 222323931877. The next prime is 222323931917. The reversal of 222323931913 is 319139323222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137528239104 + 84795692809 = 370848^2 + 291197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222323931913 is a prime.

It is not a weakly prime, because it can be changed into another prime (222323931917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111161965956 + 111161965957.

It is an arithmetic number, because the mean of its divisors is an integer number (111161965957).

Almost surely, 2^222323931913 is an apocalyptic number.

It is an amenable number.

222323931913 is a deficient number, since it is larger than the sum of its proper divisors (1).

222323931913 is an equidigital number, since it uses as much as digits as its factorization.

222323931913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 40.

The spelling of 222323931913 in words is "two hundred twenty-two billion, three hundred twenty-three million, nine hundred thirty-one thousand, nine hundred thirteen".