320222233 has 4 divisors (see below), whose sum is σ = 327035520. Its totient is φ = 313408948.

The previous prime is 320222213. The next prime is 320222269. The reversal of 320222233 is 332222023.

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 320222233 - 2⁹ = 320221721 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 320222233.

It is not an unprimeable number, because it can be changed into a prime (320222213) 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, 3406573 + ... + 3406666.

It is an arithmetic number, because the mean of its divisors is an integer number (81758880).

Almost surely, 2^320222233 is an apocalyptic number.

It is an amenable number.

320222233 is a deficient number, since it is larger than the sum of its proper divisors (6813287).

320222233 is an equidigital number, since it uses as much as digits as its factorization.

320222233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813286.

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

The square root of 320222233 is about 17894.7543431029. The cubic root of 320222233 is about 684.1486808158.

Adding to 320222233 its reverse (332222023), we get a palindrome (652444256).

The spelling of 320222233 in words is "three hundred twenty million, two hundred twenty-two thousand, two hundred thirty-three".