522808540 has 24 divisors (see below), whose sum is σ = 1101789360. Its totient is φ = 208382208.

The previous prime is 522808537. The next prime is 522808547. The reversal of 522808540 is 45808225.

It is a junction number, because it is equal to n+sod(n) for n = 522808496 and 522808505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522808547) by changing a digit.

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, 40525 + ... + 51844.

It is an arithmetic number, because the mean of its divisors is an integer number (45907890).

Almost surely, 2^522808540 is an apocalyptic number.

It is an amenable number.

522808540 is an abundant number, since it is smaller than the sum of its proper divisors (578980820).

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

522808540 is a wasteful number, since it uses less digits than its factorization.

522808540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92661 (or 92659 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 522808540 is about 22865.0068882561. The cubic root of 522808540 is about 805.5902927091.

The spelling of 522808540 in words is "five hundred twenty-two million, eight hundred eight thousand, five hundred forty".