522549945225 has 96 divisors (see below), whose sum is σ = 1196812922880. Its totient is φ = 217163592000.

The previous prime is 522549945209. The next prime is 522549945289.

It is a happy number.

522549945225 is a `hidden beast` number, since 5 + 2 + 2 + 549 + 94 + 5 + 2 + 2 + 5 = 666.

522549945225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522549945225 - 2⁴ = 522549945209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4974961 + ... + 5078910.

It is an arithmetic number, because the mean of its divisors is an integer number (12466801280).

Almost surely, 2^522549945225 is an apocalyptic number.

522549945225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522549945225 is an abundant number, since it is smaller than the sum of its proper divisors (674262977655).

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

522549945225 is a wasteful number, since it uses less digits than its factorization.

522549945225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053908 (or 10053897 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 54.

The spelling of 522549945225 in words is "five hundred twenty-two billion, five hundred forty-nine million, nine hundred forty-five thousand, two hundred twenty-five".