122222323321309 has 2 divisors, whose sum is σ = 122222323321310. Its totient is φ = 122222323321308.

The previous prime is 122222323321297. The next prime is 122222323321313. The reversal of 122222323321309 is 903123323222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104127534404100 + 18094788917209 = 10204290^2 + 4253797^2 .

It is a cyclic number.

It is not a de Polignac number, because 122222323321309 - 2¹³ = 122222323313117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222323321369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111161660654 + 61111161660655.

It is an arithmetic number, because the mean of its divisors is an integer number (61111161660655).

Almost surely, 2^{122222323321309} is an apocalyptic number.

It is an amenable number.

122222323321309 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222323321309 is an equidigital number, since it uses as much as digits as its factorization.

122222323321309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 122222323321309 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, three hundred twenty-three million, three hundred twenty-one thousand, three hundred nine".