225234975186 has 48 divisors (see below), whose sum is σ = 545013041664. Its totient is φ = 69303067344.

The previous prime is 225234975151. The next prime is 225234975257. The reversal of 225234975186 is 681579432522.

225234975186 is a `hidden beast` number, since 2 + 2 + 5 + 2 + 34 + 97 + 518 + 6 = 666.

225234975186 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 (54).

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, 17818546 + ... + 17831181.

It is an arithmetic number, because the mean of its divisors is an integer number (11354438368).

Almost surely, 2^225234975186 is an apocalyptic number.

225234975186 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225234975186 is an abundant number, since it is smaller than the sum of its proper divisors (319778066478).

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

225234975186 is a wasteful number, since it uses less digits than its factorization.

225234975186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35649757 (or 35649745 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 225234975186 in words is "two hundred twenty-five billion, two hundred thirty-four million, nine hundred seventy-five thousand, one hundred eighty-six".