222320323 has 4 divisors (see below), whose sum is σ = 231986448. Its totient is φ = 212654200.

The previous prime is 222320317. The next prime is 222320347. The reversal of 222320323 is 323023222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222320323 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 222320323.

It is not an unprimeable number, because it can be changed into a prime (222320303) 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, 4833028 + ... + 4833073.

It is an arithmetic number, because the mean of its divisors is an integer number (57996612).

Almost surely, 2^222320323 is an apocalyptic number.

222320323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

222320323 is a deficient number, since it is larger than the sum of its proper divisors (9666125).

222320323 is an equidigital number, since it uses as much as digits as its factorization.

222320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666124.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 222320323 is about 14910.4098870554. The cubic root of 222320323 is about 605.7959816367.

Adding to 222320323 its reverse (323023222), we get a palindrome (545343545).

The spelling of 222320323 in words is "two hundred twenty-two million, three hundred twenty thousand, three hundred twenty-three".