22102313209 has 2 divisors, whose sum is σ = 22102313210. Its totient is φ = 22102313208.

The previous prime is 22102313159. The next prime is 22102313221. The reversal of 22102313209 is 90231320122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18816157584 + 3286155625 = 137172^2 + 57325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102313209 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102313249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051156604 + 11051156605.

It is an arithmetic number, because the mean of its divisors is an integer number (11051156605).

Almost surely, 2^22102313209 is an apocalyptic number.

It is an amenable number.

22102313209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102313209 is an equidigital number, since it uses as much as digits as its factorization.

22102313209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 22102313209 in words is "twenty-two billion, one hundred two million, three hundred thirteen thousand, two hundred nine".