320404322 has 8 divisors (see below), whose sum is σ = 549264576. Its totient is φ = 137316132.

The previous prime is 320404307. The next prime is 320404351. The reversal of 320404322 is 223404023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320404294 and 320404303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11442998 + ... + 11443025.

It is an arithmetic number, because the mean of its divisors is an integer number (68658072).

Almost surely, 2^320404322 is an apocalyptic number.

320404322 is a deficient number, since it is larger than the sum of its proper divisors (228860254).

320404322 is a wasteful number, since it uses less digits than its factorization.

320404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22886032.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 320404322 is about 17899.8413959454. The cubic root of 320404322 is about 684.2783328002.

Adding to 320404322 its reverse (223404023), we get a palindrome (543808345).

The spelling of 320404322 in words is "three hundred twenty million, four hundred four thousand, three hundred twenty-two".