522906988 has 12 divisors (see below), whose sum is σ = 919016280. Its totient is φ = 260330912.

The previous prime is 522906971. The next prime is 522906991. The reversal of 522906988 is 889609225.

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, 279598 + ... + 281461.

It is an arithmetic number, because the mean of its divisors is an integer number (76584690).

Almost surely, 2^522906988 is an apocalyptic number.

It is an amenable number.

522906988 is a deficient number, since it is larger than the sum of its proper divisors (396109292).

522906988 is a wasteful number, since it uses less digits than its factorization.

522906988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561296 (or 561294 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 522906988 is about 22867.1595962419. The cubic root of 522906988 is about 805.6408553718.

The spelling of 522906988 in words is "five hundred twenty-two million, nine hundred six thousand, nine hundred eighty-eight".