225000000522 has 24 divisors (see below), whose sum is σ = 531818183520. Its totient is φ = 68181818280.

The previous prime is 225000000517. The next prime is 225000000569.

225000000522 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 225000000495 and 225000000504.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568181622 + ... + 568182017.

It is an arithmetic number, because the mean of its divisors is an integer number (22159090980).

Almost surely, 2^225000000522 is an apocalyptic number.

225000000522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225000000522 is an abundant number, since it is smaller than the sum of its proper divisors (306818182998).

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

225000000522 is a wasteful number, since it uses less digits than its factorization.

225000000522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136363658 (or 1136363655 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

It can be divided in two parts, 225000000 and 522, that added together give a palindrome (225000522).

The spelling of 225000000522 in words is "two hundred twenty-five billion, five hundred twenty-two", and thus it is an aban number.