323222322132221 has 4 divisors (see below), whose sum is σ = 328700666575200. Its totient is φ = 317743977689244.

The previous prime is 323222322132181. The next prime is 323222322132233. The reversal of 323222322132221 is 122231223222323.

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-323222322132221 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 (323222322122221) 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, 2739172221401 + ... + 2739172221518.

It is an arithmetic number, because the mean of its divisors is an integer number (82175166643800).

Almost surely, 2^{323222322132221} is an apocalyptic number.

It is an amenable number.

323222322132221 is a deficient number, since it is larger than the sum of its proper divisors (5478344442979).

323222322132221 is an equidigital number, since it uses as much as digits as its factorization.

323222322132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478344442978.

The product of its digits is 41472, while the sum is 32.

Adding to 323222322132221 its reverse (122231223222323), we get a palindrome (445453545354544).

The spelling of 323222322132221 in words is "three hundred twenty-three trillion, two hundred twenty-two billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty-one".