322664 has 16 divisors (see below), whose sum is σ = 617220. Its totient is φ = 158080.

The previous prime is 322649. The next prime is 322669. The reversal of 322664 is 466223.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 20164 = 550^2 + 142^2 .

It is a super-2 number, since 2×322664² = 208224113792, which contains 22 as substring.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322664.

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 3 ways as a sum of consecutive naturals, for example, 44 + ... + 804.

2³²²⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

322664 is a deficient number, since it is larger than the sum of its proper divisors (294556).

322664 is a wasteful number, since it uses less digits than its factorization.

322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 816 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 322664 is about 568.0352101763. The cubic root of 322664 is about 68.5883209044.

Adding to 322664 its reverse (466223), we get a palindrome (788887).

The spelling of 322664 in words is "three hundred twenty-two thousand, six hundred sixty-four".