322399 has 16 divisors (see below), whose sum is σ = 414720. Its totient is φ = 243360.

The previous prime is 322397. The next prime is 322403. The reversal of 322399 is 993223.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 322399 - 2¹ = 322397 is a prime.

It is a super-2 number, since 2×322399² = 207882230402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322397) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4042 + ... + 4120.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2³²²³⁹⁹ is an apocalyptic number.

322399 is a deficient number, since it is larger than the sum of its proper divisors (92321).

322399 is a wasteful number, since it uses less digits than its factorization.

322399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its digits is 2916, while the sum is 28.

The square root of 322399 is about 567.8019020750. The cubic root of 322399 is about 68.5695388451.

The spelling of 322399 in words is "three hundred twenty-two thousand, three hundred ninety-nine".