322681 has 4 divisors (see below), whose sum is σ = 324352. Its totient is φ = 321012.

The previous prime is 322669. The next prime is 322709. The reversal of 322681 is 186223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186223 = 73 ⋅2551.

It is a cyclic number.

It is not a de Polignac number, because 322681 - 2⁵ = 322649 is a prime.

It is a super-2 number, since 2×322681² = 208246055522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322631) 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, 501 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (81088).

2³²²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

322681 is a deficient number, since it is larger than the sum of its proper divisors (1671).

322681 is a wasteful number, since it uses less digits than its factorization.

322681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670.

The product of its digits is 576, while the sum is 22.

The square root of 322681 is about 568.0501738403. The cubic root of 322681 is about 68.5895254402.

The spelling of 322681 in words is "three hundred twenty-two thousand, six hundred eighty-one".