322331321 has 8 divisors (see below), whose sum is σ = 347450880. Its totient is φ = 297258192.

The previous prime is 322331287. The next prime is 322331341. The reversal of 322331321 is 123133223.

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 322331321 - 2¹⁸ = 322069177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322331293 and 322331302.

It is not an unprimeable number, because it can be changed into a prime (322331341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560 + ... + 25638.

It is an arithmetic number, because the mean of its divisors is an integer number (43431360).

Almost surely, 2^322331321 is an apocalyptic number.

It is an amenable number.

322331321 is a deficient number, since it is larger than the sum of its proper divisors (25119559).

322331321 is a wasteful number, since it uses less digits than its factorization.

322331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23215.

The product of its digits is 648, while the sum is 20.

The square root of 322331321 is about 17953.5879700967. The cubic root of 322331321 is about 685.6474039907.

Adding to 322331321 its reverse (123133223), we get a palindrome (445464544).

The spelling of 322331321 in words is "three hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty-one".