522135798 has 32 divisors (see below), whose sum is σ = 1053279072. Its totient is φ = 172550400.

The previous prime is 522135797. The next prime is 522135851. The reversal of 522135798 is 897531225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522135791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685738 + ... + 686498.

It is an arithmetic number, because the mean of its divisors is an integer number (32914971).

Almost surely, 2^522135798 is an apocalyptic number.

522135798 is an abundant number, since it is smaller than the sum of its proper divisors (531143274).

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

522135798 is a wasteful number, since it uses less digits than its factorization.

522135798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600.

The product of its digits is 151200, while the sum is 42.

The square root of 522135798 is about 22850.2909828300. The cubic root of 522135798 is about 805.2446039856.

The spelling of 522135798 in words is "five hundred twenty-two million, one hundred thirty-five thousand, seven hundred ninety-eight".