320222322 has 40 divisors (see below), whose sum is σ = 820043136. Its totient is φ = 91491768.

The previous prime is 320222297. The next prime is 320222339. The reversal of 320222322 is 223222023.

320222322 is a `hidden beast` number, since 320 + 2 + 22 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320222295 and 320222304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 140058 + ... + 142325.

Almost surely, 2^320222322 is an apocalyptic number.

320222322 is an abundant number, since it is smaller than the sum of its proper divisors (499820814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320222322 is a wasteful number, since it uses less digits than its factorization.

320222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282404 (or 282395 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 320222322 is about 17894.7568298650. The cubic root of 320222322 is about 684.1487441980.

Adding to 320222322 its reverse (223222023), we get a palindrome (543444345).

The spelling of 320222322 in words is "three hundred twenty million, two hundred twenty-two thousand, three hundred twenty-two".