322221313213 has 2 divisors, whose sum is σ = 322221313214. Its totient is φ = 322221313212.

The previous prime is 322221313171. The next prime is 322221313231. The reversal of 322221313213 is 312313122223.

Together with next prime (322221313231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314027985924 + 8193327289 = 560382^2 + 90517^2 .

It is a cyclic number.

It is not a de Polignac number, because 322221313213 - 2⁹ = 322221312701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322221323213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161110656606 + 161110656607.

It is an arithmetic number, because the mean of its divisors is an integer number (161110656607).

Almost surely, 2^322221313213 is an apocalyptic number.

It is an amenable number.

322221313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

322221313213 is an equidigital number, since it uses as much as digits as its factorization.

322221313213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

Adding to 322221313213 its reverse (312313122223), we get a palindrome (634534435436).

The spelling of 322221313213 in words is "three hundred twenty-two billion, two hundred twenty-one million, three hundred thirteen thousand, two hundred thirteen".