22002311312309 has 2 divisors, whose sum is σ = 22002311312310. Its totient is φ = 22002311312308.

The previous prime is 22002311312249. The next prime is 22002311312329. The reversal of 22002311312309 is 90321311320022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16318125784900 + 5684185527409 = 4039570^2 + 2384153^2 .

It is a cyclic number.

It is not a de Polignac number, because 22002311312309 - 2⁸ = 22002311312053 is a prime.

It is a super-2 number, since 2×22002311312309² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002311312329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001155656154 + 11001155656155.

It is an arithmetic number, because the mean of its divisors is an integer number (11001155656155).

Almost surely, 2^{22002311312309} is an apocalyptic number.

It is an amenable number.

22002311312309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002311312309 is an equidigital number, since it uses as much as digits as its factorization.

22002311312309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 22002311312309 in words is "twenty-two trillion, two billion, three hundred eleven million, three hundred twelve thousand, three hundred nine".