3222321220913 has 2 divisors, whose sum is σ = 3222321220914. Its totient is φ = 3222321220912.

The previous prime is 3222321220849. The next prime is 3222321221059. The reversal of 3222321220913 is 3190221232223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909227535504 + 1313093685409 = 1381748^2 + 1145903^2 .

It is a cyclic number.

It is not a de Polignac number, because 3222321220913 - 2⁶ = 3222321220849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3222321220913.

It is not a weakly prime, because it can be changed into another prime (3222321250913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611160610456 + 1611160610457.

It is an arithmetic number, because the mean of its divisors is an integer number (1611160610457).

Almost surely, 2^{3222321220913} is an apocalyptic number.

It is an amenable number.

3222321220913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3222321220913 is an equidigital number, since it uses as much as digits as its factorization.

3222321220913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 3222321220913 in words is "three trillion, two hundred twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, nine hundred thirteen".