322313310221 has 4 divisors (see below), whose sum is σ = 368358068832. Its totient is φ = 276268551612.

The previous prime is 322313310197. The next prime is 322313310229. The reversal of 322313310221 is 122013313223.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122013313223 = 17 ⋅7177253719.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322313310221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322313310229) 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, 23022379295 + ... + 23022379308.

It is an arithmetic number, because the mean of its divisors is an integer number (92089517208).

Almost surely, 2^322313310221 is an apocalyptic number.

It is an amenable number.

322313310221 is a deficient number, since it is larger than the sum of its proper divisors (46044758611).

322313310221 is an equidigital number, since it uses as much as digits as its factorization.

322313310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46044758610.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 322313310221 its reverse (122013313223), we get a palindrome (444326623444).

The spelling of 322313310221 in words is "three hundred twenty-two billion, three hundred thirteen million, three hundred ten thousand, two hundred twenty-one".