663022 has 4 divisors (see below), whose sum is σ = 994536. Its totient is φ = 331510.

The previous prime is 663007. The next prime is 663031. The reversal of 663022 is 220366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220366 = 2 ⋅110183.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165754 + ... + 165757.

It is an arithmetic number, because the mean of its divisors is an integer number (248634).

2⁶⁶³⁰²² is an apocalyptic number.

663022 is a deficient number, since it is larger than the sum of its proper divisors (331514).

663022 is a wasteful number, since it uses less digits than its factorization.

663022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331513.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 663022 is about 814.2616287165. The cubic root of 663022 is about 87.1985600020.

Adding to 663022 its reverse (220366), we get a palindrome (883388).

The spelling of 663022 in words is "six hundred sixty-three thousand, twenty-two".