663322 has 12 divisors (see below), whose sum is σ = 1094058. Its totient is φ = 301400.

The previous prime is 663319. The next prime is 663331. The reversal of 663322 is 223366.

663322 is nontrivially palindromic in base 16.

663322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 609961 + 53361 = 781^2 + 231^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 6² + 6² + 3⁶ + 3¹² + 2³ + 2¹⁷ .

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 663293 and 663302.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1129 + ... + 1612.

2⁶⁶³³²² is an apocalyptic number.

663322 is a deficient number, since it is larger than the sum of its proper divisors (430736).

663322 is a wasteful number, since it uses less digits than its factorization.

663322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2754 counting only the distinct ones).

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

The square root of 663322 is about 814.4458238582. The cubic root of 663322 is about 87.2117097032.

Adding to 663322 its reverse (223366), we get a palindrome (886688).

The spelling of 663322 in words is "six hundred sixty-three thousand, three hundred twenty-two".