323222213 has 4 divisors (see below), whose sum is σ = 333648768. Its totient is φ = 312795660.

The previous prime is 323222209. The next prime is 323222219. The reversal of 323222213 is 312222323.

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 not a de Polignac number, because 323222213 - 2² = 323222209 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 (323222219) 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, 5213231 + ... + 5213292.

It is an arithmetic number, because the mean of its divisors is an integer number (83412192).

Almost surely, 2^323222213 is an apocalyptic number.

It is an amenable number.

323222213 is a deficient number, since it is larger than the sum of its proper divisors (10426555).

323222213 is a wasteful number, since it uses less digits than its factorization.

323222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426554.

The product of its digits is 864, while the sum is 20.

The square root of 323222213 is about 17978.3818237349. The cubic root of 323222213 is about 686.2785101896.

Adding to 323222213 its reverse (312222323), we get a palindrome (635444536).

The spelling of 323222213 in words is "three hundred twenty-three million, two hundred twenty-two thousand, two hundred thirteen".