322321 has 4 divisors (see below), whose sum is σ = 324532. Its totient is φ = 320112.

The previous prime is 322319. The next prime is 322327. The reversal of 322321 is 123223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123223 = 149 ⋅827.

It can be written as a sum of positive squares in 2 ways, for example, as 129600 + 192721 = 360^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 322321 - 2¹ = 322319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (81133).

2³²²³²¹ is an apocalyptic number.

It is an amenable number.

322321 is a deficient number, since it is larger than the sum of its proper divisors (2211).

322321 is a wasteful number, since it uses less digits than its factorization.

322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210.

The product of its digits is 72, while the sum is 13.

The square root of 322321 is about 567.7332119931. The cubic root of 322321 is about 68.5640085804.

Adding to 322321 its reverse (123223), we get a palindrome (445544).

The spelling of 322321 in words is "three hundred twenty-two thousand, three hundred twenty-one", and thus it is an iban number.