522122128 has 80 divisors (see below), whose sum is σ = 1169121600. Its totient is φ = 223395840.

The previous prime is 522122123. The next prime is 522122171. The reversal of 522122128 is 821221225.

It is a super-2 number, since 2×522122128² = 545223033094496768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522122123) 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 15 ways as a sum of consecutive naturals, for example, 644988 + ... + 645796.

It is an arithmetic number, because the mean of its divisors is an integer number (14614020).

Almost surely, 2^522122128 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 522122128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584560800).

522122128 is an abundant number, since it is smaller than the sum of its proper divisors (646999472).

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

522122128 is a wasteful number, since it uses less digits than its factorization.

522122128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 522122128 is about 22849.9918599548. The cubic root of 522122128 is about 805.2375765738.

The spelling of 522122128 in words is "five hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-eight".