322320331 has 8 divisors (see below), whose sum is σ = 328460544. Its totient is φ = 316226880.

The previous prime is 322320329. The next prime is 322320347. The reversal of 322320331 is 133023223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 322320331 - 2¹ = 322320329 is a prime.

It is a super-2 number, since 2×322320331² = 207780791551899122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322320299 and 322320308.

It is not an unprimeable number, because it can be changed into a prime (322320301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2385 + ... + 25501.

It is an arithmetic number, because the mean of its divisors is an integer number (41057568).

Almost surely, 2^322320331 is an apocalyptic number.

322320331 is a deficient number, since it is larger than the sum of its proper divisors (6140213).

322320331 is a wasteful number, since it uses less digits than its factorization.

322320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 322320331 is about 17953.2819005328. The cubic root of 322320331 is about 685.6396114388.

Adding to 322320331 its reverse (133023223), we get a palindrome (455343554).

The spelling of 322320331 in words is "three hundred twenty-two million, three hundred twenty thousand, three hundred thirty-one".