522684642 has 32 divisors (see below), whose sum is σ = 1103256000. Its totient is φ = 164628288.

The previous prime is 522684611. The next prime is 522684671. The reversal of 522684642 is 246486225.

It is a self number, because there is not a number n which added to its sum of digits gives 522684642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39484 + ... + 51032.

It is an arithmetic number, because the mean of its divisors is an integer number (34476750).

Almost surely, 2^522684642 is an apocalyptic number.

522684642 is an abundant number, since it is smaller than the sum of its proper divisors (580571358).

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

522684642 is a wasteful number, since it uses less digits than its factorization.

522684642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its digits is 184320, while the sum is 39.

The square root of 522684642 is about 22862.2973911197. The cubic root of 522684642 is about 805.5266499642.

The spelling of 522684642 in words is "five hundred twenty-two million, six hundred eighty-four thousand, six hundred forty-two".