8223944 has 16 divisors (see below), whose sum is σ = 15796620. Its totient is φ = 4011520.

The previous prime is 8223899. The next prime is 8223967. The reversal of 8223944 is 4493228.

It can be written as a sum of positive squares in 2 ways, for example, as 7344100 + 879844 = 2710^2 + 938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8223944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12209 + ... + 12864.

Almost surely, 2^8223944 is an apocalyptic number.

It is an amenable number.

8223944 is a deficient number, since it is larger than the sum of its proper divisors (7572676).

8223944 is a wasteful number, since it uses less digits than its factorization.

8223944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25120 (or 25116 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 8223944 is about 2867.7419688668. The cubic root of 8223944 is about 201.8490523446.

The spelling of 8223944 in words is "eight million, two hundred twenty-three thousand, nine hundred forty-four".