8663223 has 4 divisors (see below), whose sum is σ = 11550968. Its totient is φ = 5775480.

The previous prime is 8663209. The next prime is 8663261. The reversal of 8663223 is 3223668.

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

It is not a de Polignac number, because 8663223 - 2²⁰ = 7614647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663273) 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, 1443868 + ... + 1443873.

It is an arithmetic number, because the mean of its divisors is an integer number (2887742).

Almost surely, 2^8663223 is an apocalyptic number.

8663223 is a deficient number, since it is larger than the sum of its proper divisors (2887745).

8663223 is a wasteful number, since it uses less digits than its factorization.

8663223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887744.

The product of its digits is 10368, while the sum is 30.

The square root of 8663223 is about 2943.3353529627. The cubic root of 8663223 is about 205.3807952939.

The spelling of 8663223 in words is "eight million, six hundred sixty-three thousand, two hundred twenty-three".