522112128 has 64 divisors (see below), whose sum is σ = 1392642720. Its totient is φ = 173312000.

The previous prime is 522112099. The next prime is 522112141. The reversal of 522112128 is 821211225.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 522112098 and 522112107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93676 + ... + 99092.

Almost surely, 2^522112128 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 522112128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696321360).

522112128 is an abundant number, since it is smaller than the sum of its proper divisors (870530592).

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

522112128 is a wasteful number, since it uses less digits than its factorization.

522112128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685 (or 5673 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 522112128 is about 22849.7730404483. The cubic root of 522112128 is about 805.2324357413.

The spelling of 522112128 in words is "five hundred twenty-two million, one hundred twelve thousand, one hundred twenty-eight".