8223539572 has 12 divisors (see below), whose sum is σ = 14662726596. Its totient is φ = 4034189120.

The previous prime is 8223539563. The next prime is 8223539633. The reversal of 8223539572 is 2759353228.

It can be written as a sum of positive squares in 2 ways, for example, as 6411845476 + 1811694096 = 80074^2 + 42564^2 .

It is a congruent number.

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, 19394929 + ... + 19395352.

It is an arithmetic number, because the mean of its divisors is an integer number (1221893883).

Almost surely, 2^8223539572 is an apocalyptic number.

It is an amenable number.

8223539572 is a deficient number, since it is larger than the sum of its proper divisors (6439187024).

8223539572 is a wasteful number, since it uses less digits than its factorization.

8223539572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38790338 (or 38790336 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 8223539572 is about 90683.7337784456. The cubic root of 8223539572 is about 2018.4574352076.

The spelling of 8223539572 in words is "eight billion, two hundred twenty-three million, five hundred thirty-nine thousand, five hundred seventy-two".