8223136 has 24 divisors (see below), whose sum is σ = 16260804. Its totient is φ = 4093440.

The previous prime is 8223133. The next prime is 8223157. The reversal of 8223136 is 6313228.

It can be written as a sum of positive squares in 2 ways, for example, as 6533136 + 1690000 = 2556^2 + 1300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8223136.

It is not an unprimeable number, because it can be changed into a prime (8223133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9606 + ... + 10426.

Almost surely, 2^8223136 is an apocalyptic number.

It is an amenable number.

8223136 is a deficient number, since it is larger than the sum of its proper divisors (8037668).

8223136 is a wasteful number, since it uses less digits than its factorization.

8223136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1136 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 8223136 is about 2867.6010880176. The cubic root of 8223136 is about 201.8424415921.

The spelling of 8223136 in words is "eight million, two hundred twenty-three thousand, one hundred thirty-six".