322663 has 4 divisors (see below), whose sum is σ = 352008. Its totient is φ = 293320.

The previous prime is 322649. The next prime is 322669. The reversal of 322663 is 366223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 322663 - 2⁵ = 322631 is a prime.

It is a super-2 number, since 2×322663² = 208222823138, which contains 22 as substring.

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 an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322669) 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, 14656 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (88002).

2³²²⁶⁶³ is an apocalyptic number.

322663 is a deficient number, since it is larger than the sum of its proper divisors (29345).

322663 is a wasteful number, since it uses less digits than its factorization.

322663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29344.

The product of its digits is 1296, while the sum is 22.

The square root of 322663 is about 568.0343299485. The cubic root of 322663 is about 68.5882500481.

Adding to 322663 its reverse (366223), we get a palindrome (688886).

The spelling of 322663 in words is "three hundred twenty-two thousand, six hundred sixty-three".