322221312013 has 4 divisors (see below), whose sum is σ = 322793641728. Its totient is φ = 321648982300.

The previous prime is 322221311989. The next prime is 322221312067. The reversal of 322221312013 is 310213122223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322221312013 is a prime.

It is a super-2 number, since 2×322221312013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322221310013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286164013 + ... + 286165138.

It is an arithmetic number, because the mean of its divisors is an integer number (80698410432).

Almost surely, 2^322221312013 is an apocalyptic number.

It is an amenable number.

322221312013 is a deficient number, since it is larger than the sum of its proper divisors (572329715).

322221312013 is an equidigital number, since it uses as much as digits as its factorization.

322221312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572329714.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 322221312013 its reverse (310213122223), we get a palindrome (632434434236).

The spelling of 322221312013 in words is "three hundred twenty-two billion, two hundred twenty-one million, three hundred twelve thousand, thirteen".