522148872 has 128 divisors (see below), whose sum is σ = 1556029440. Its totient is φ = 142871040.

The previous prime is 522148831. The next prime is 522148877. The reversal of 522148872 is 278841225.

It is a self number, because there is not a number n which added to its sum of digits gives 522148872.

It is not an unprimeable number, because it can be changed into a prime (522148877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556788 + ... + 557724.

It is an arithmetic number, because the mean of its divisors is an integer number (12156480).

Almost surely, 2^522148872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522148872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778014720).

522148872 is an abundant number, since it is smaller than the sum of its proper divisors (1033880568).

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

522148872 is a wasteful number, since it uses less digits than its factorization.

522148872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1087 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 522148872 is about 22850.5770605471. The cubic root of 522148872 is about 805.2513248936.

The spelling of 522148872 in words is "five hundred twenty-two million, one hundred forty-eight thousand, eight hundred seventy-two".