322243911809 has 2 divisors, whose sum is σ = 322243911810. Its totient is φ = 322243911808.

The previous prime is 322243911779. The next prime is 322243911811. The reversal of 322243911809 is 908119342223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248641849600 + 73602062209 = 498640^2 + 271297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322243911809 is a prime.

It is a super-2 number, since 2×322243911809² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 322243911811, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 322243911809.

It is not a weakly prime, because it can be changed into another prime (322243931809) 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, 161121955904 + 161121955905.

It is an arithmetic number, because the mean of its divisors is an integer number (161121955905).

Almost surely, 2^322243911809 is an apocalyptic number.

It is an amenable number.

322243911809 is a deficient number, since it is larger than the sum of its proper divisors (1).

322243911809 is an equidigital number, since it uses as much as digits as its factorization.

322243911809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 322243911809 in words is "three hundred twenty-two billion, two hundred forty-three million, nine hundred eleven thousand, eight hundred nine".