8223989572 has 12 divisors (see below), whose sum is σ = 15017720256. Its totient is φ = 3933212360.

The previous prime is 8223989537. The next prime is 8223989603. The reversal of 8223989572 is 2759893228.

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, 44695504 + ... + 44695687.

It is an arithmetic number, because the mean of its divisors is an integer number (1251476688).

Almost surely, 2^8223989572 is an apocalyptic number.

It is an amenable number.

8223989572 is a deficient number, since it is larger than the sum of its proper divisors (6793730684).

8223989572 is a wasteful number, since it uses less digits than its factorization.

8223989572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89391218 (or 89391216 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 8223989572 is about 90686.2148950986. The cubic root of 8223989572 is about 2018.4942518472.

The spelling of 8223989572 in words is "eight billion, two hundred twenty-three million, nine hundred eighty-nine thousand, five hundred seventy-two".