322221323213 has 2 divisors, whose sum is σ = 322221323214. Its totient is φ = 322221323212.

The previous prime is 322221323191. The next prime is 322221323239. The reversal of 322221323213 is 312323122223.

It is an a-pointer prime, because the next prime (322221323239) can be obtained adding 322221323213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321991558249 + 229764964 = 567443^2 + 15158^2 .

It is a cyclic number.

It is not a de Polignac number, because 322221323213 - 2¹² = 322221319117 is a prime.

It is a super-2 number, since 2×322221323213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322221323113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161110661606 + 161110661607.

It is an arithmetic number, because the mean of its divisors is an integer number (161110661607).

Almost surely, 2^322221323213 is an apocalyptic number.

It is an amenable number.

322221323213 is a deficient number, since it is larger than the sum of its proper divisors (1).

322221323213 is an equidigital number, since it uses as much as digits as its factorization.

322221323213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

Adding to 322221323213 its reverse (312323122223), we get a palindrome (634544445436).

The spelling of 322221323213 in words is "three hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred thirteen".