225154125252 has 72 divisors (see below), whose sum is σ = 679036266720. Its totient is φ = 64329748560.

The previous prime is 225154125191. The next prime is 225154125281. The reversal of 225154125252 is 252521451522.

225154125252 is a `hidden beast` number, since 2 + 2 + 515 + 41 + 2 + 52 + 52 = 666.

225154125252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 21267774 + ... + 21278357.

It is an arithmetic number, because the mean of its divisors is an integer number (9431059260).

Almost surely, 2^225154125252 is an apocalyptic number.

It is an amenable number.

225154125252 is an abundant number, since it is smaller than the sum of its proper divisors (453882141468).

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

225154125252 is a wasteful number, since it uses less digits than its factorization.

225154125252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42546158 (or 42546143 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

Adding to 225154125252 its reverse (252521451522), we get a palindrome (477675576774).

The spelling of 225154125252 in words is "two hundred twenty-five billion, one hundred fifty-four million, one hundred twenty-five thousand, two hundred fifty-two".