322131223 has 4 divisors (see below), whose sum is σ = 323087440. Its totient is φ = 321175008.

The previous prime is 322131221. The next prime is 322131281.

322131223 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 322131223 - 2¹ = 322131221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322131223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322131221) 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, 477603 + ... + 478276.

It is an arithmetic number, because the mean of its divisors is an integer number (80771860).

Almost surely, 2^322131223 is an apocalyptic number.

322131223 is a deficient number, since it is larger than the sum of its proper divisors (956217).

322131223 is an equidigital number, since it uses as much as digits as its factorization.

322131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956216.

The product of its digits is 432, while the sum is 19.

The square root of 322131223 is about 17948.0144584297. The cubic root of 322131223 is about 685.5054950656.

The spelling of 322131223 in words is "three hundred twenty-two million, one hundred thirty-one thousand, two hundred twenty-three".