522896478 has 24 divisors (see below), whose sum is σ = 1132428888. Its totient is φ = 160890912.

The previous prime is 522896461. The next prime is 522896533. The reversal of 522896478 is 874698225.

It is a self number, because there is not a number n which added to its sum of digits gives 522896478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256825 + ... + 258852.

It is an arithmetic number, because the mean of its divisors is an integer number (47184537).

Almost surely, 2^522896478 is an apocalyptic number.

522896478 is an abundant number, since it is smaller than the sum of its proper divisors (609532410).

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

522896478 is a wasteful number, since it uses less digits than its factorization.

522896478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515708 (or 515695 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 522896478 is about 22866.9297895454. The cubic root of 522896478 is about 805.6354577630.

The spelling of 522896478 in words is "five hundred twenty-two million, eight hundred ninety-six thousand, four hundred seventy-eight".