320233222 has 4 divisors (see below), whose sum is σ = 480349836. Its totient is φ = 160116610.

The previous prime is 320233183. The next prime is 320233237. The reversal of 320233222 is 222332023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222332023 = 14723 ⋅15101.

It is a self number, because there is not a number n which added to its sum of digits gives 320233222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80058304 + ... + 80058307.

It is an arithmetic number, because the mean of its divisors is an integer number (120087459).

Almost surely, 2^320233222 is an apocalyptic number.

320233222 is a deficient number, since it is larger than the sum of its proper divisors (160116614).

320233222 is a wasteful number, since it uses less digits than its factorization.

320233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160116613.

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

The square root of 320233222 is about 17895.0613857567. The cubic root of 320233222 is about 684.1565066557.

Adding to 320233222 its reverse (222332023), we get a palindrome (542565245).

It can be divided in two parts, 32023 and 3222, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 320233222 in words is "three hundred twenty million, two hundred thirty-three thousand, two hundred twenty-two".