322668 has 18 divisors (see below), whose sum is σ = 815724. Its totient is φ = 107544.

The previous prime is 322649. The next prime is 322669. The reversal of 322668 is 866223.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×322668² = 208229276448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4446 + ... + 4517.

It is an arithmetic number, because the mean of its divisors is an integer number (45318).

2³²²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

322668 is an abundant number, since it is smaller than the sum of its proper divisors (493056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

322668 is a wasteful number, since it uses less digits than its factorization.

322668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973 (or 8968 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 322668 is about 568.0387310739. The cubic root of 322668 is about 68.5886043284.

It can be divided in two parts, 322 and 668, that added together give a triangular number (990 = T₄₄).

The spelling of 322668 in words is "three hundred twenty-two thousand, six hundred sixty-eight".