320332322 has 16 divisors (see below), whose sum is σ = 488248152. Its totient is φ = 157593600.

The previous prime is 320332319. The next prime is 320332349. The reversal of 320332322 is 223233023.

It can be written as a sum of positive squares in 4 ways, for example, as 316092841 + 4239481 = 17779^2 + 2059^2 .

It is a super-2 number, since 2×320332322² = 205225593035823368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320332294 and 320332303.

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 7 ways as a sum of consecutive naturals, for example, 64322 + ... + 69122.

Almost surely, 2^320332322 is an apocalyptic number.

320332322 is a deficient number, since it is larger than the sum of its proper divisors (167915830).

320332322 is a wasteful number, since it uses less digits than its factorization.

320332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 320332322 is about 17897.8300919413. The cubic root of 320332322 is about 684.2270728478.

Adding to 320332322 its reverse (223233023), we get a palindrome (543565345).

The spelling of 320332322 in words is "three hundred twenty million, three hundred thirty-two thousand, three hundred twenty-two".