522100222128 has 40 divisors (see below), whose sum is σ = 1498621009200. Its totient is φ = 174033407232.

The previous prime is 522100222069. The next prime is 522100222129. The reversal of 522100222128 is 821222001225.

522100222128 is a `hidden beast` number, since 522 + 10 + 0 + 2 + 2 + 2 + 128 = 666.

It is a super-2 number, since 2×522100222128² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (522100222129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604282233 + ... + 604283096.

It is an arithmetic number, because the mean of its divisors is an integer number (37465525230).

Almost surely, 2^522100222128 is an apocalyptic number.

It is an amenable number.

522100222128 is an abundant number, since it is smaller than the sum of its proper divisors (976520787072).

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

522100222128 is a wasteful number, since it uses less digits than its factorization.

522100222128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208565346 (or 1208565334 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 522100222128 in words is "five hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-eight".