522471856 has 20 divisors (see below), whose sum is σ = 1036980504. Its totient is φ = 254864000.

The previous prime is 522471847. The next prime is 522471907. The reversal of 522471856 is 658174225.

It is an unprimeable number.

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, 397570 + ... + 398881.

Almost surely, 2^522471856 is an apocalyptic number.

It is an amenable number.

522471856 is a deficient number, since it is larger than the sum of its proper divisors (514508648).

522471856 is a wasteful number, since it uses less digits than its factorization.

522471856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796500 (or 796494 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 522471856 is about 22857.6432730936. The cubic root of 522471856 is about 805.4173246049.

The spelling of 522471856 in words is "five hundred twenty-two million, four hundred seventy-one thousand, eight hundred fifty-six".