522665648 has 40 divisors (see below), whose sum is σ = 1046424096. Its totient is φ = 252761600.

The previous prime is 522665603. The next prime is 522665651. The reversal of 522665648 is 846566225.

It is a super-3 number, since 3×522665648³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 522665599 and 522665608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55868 + ... + 64548.

Almost surely, 2^522665648 is an apocalyptic number.

It is an amenable number.

522665648 is an abundant number, since it is smaller than the sum of its proper divisors (523758448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522665648 is a wasteful number, since it uses less digits than its factorization.

522665648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813 (or 8807 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

The square root of 522665648 is about 22861.8819872731. The cubic root of 522665648 is about 805.5168924180.

The spelling of 522665648 in words is "five hundred twenty-two million, six hundred sixty-five thousand, six hundred forty-eight".