322201321 has 8 divisors (see below), whose sum is σ = 358179584. Its totient is φ = 287822160.

The previous prime is 322201277. The next prime is 322201343. The reversal of 322201321 is 123102223.

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 322201321 - 2¹⁷ = 322070249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322201295 and 322201304.

It is not an unprimeable number, because it can be changed into a prime (322201351) 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, 399351 + ... + 400156.

It is an arithmetic number, because the mean of its divisors is an integer number (44772448).

Almost surely, 2^322201321 is an apocalyptic number.

322201321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

322201321 is a deficient number, since it is larger than the sum of its proper divisors (35978263).

322201321 is a wasteful number, since it uses less digits than its factorization.

322201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799551.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 322201321 is about 17949.9671587443. The cubic root of 322201321 is about 685.5552150509. Note that the first 3 decimals are identical.

Adding to 322201321 its reverse (123102223), we get a palindrome (445303544).

The spelling of 322201321 in words is "three hundred twenty-two million, two hundred one thousand, three hundred twenty-one".