322393 has 4 divisors (see below), whose sum is σ = 333540. Its totient is φ = 311248.

The previous prime is 322351. The next prime is 322397. The reversal of 322393 is 393223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393223 = 67 ⋅5869.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 227529 = 308^2 + 477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322393 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5530 + ... + 5587.

It is an arithmetic number, because the mean of its divisors is an integer number (83385).

2³²²³⁹³ is an apocalyptic number.

322393 is the 304-th centered heptagonal number.

It is an amenable number.

322393 is a deficient number, since it is larger than the sum of its proper divisors (11147).

322393 is a wasteful number, since it uses less digits than its factorization.

322393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146.

The product of its digits is 972, while the sum is 22.

The square root of 322393 is about 567.7966185176. The cubic root of 322393 is about 68.5691134718.

The spelling of 322393 in words is "three hundred twenty-two thousand, three hundred ninety-three".