225724275618 has 32 divisors (see below), whose sum is σ = 456021038592. Its totient is φ = 74479680000.

The previous prime is 225724275611. The next prime is 225724275631. The reversal of 225724275618 is 816572427522.

225724275618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225724275611) 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 15 ways as a sum of consecutive naturals, for example, 2810418 + ... + 2889618.

It is an arithmetic number, because the mean of its divisors is an integer number (14250657456).

Almost surely, 2^225724275618 is an apocalyptic number.

225724275618 is an abundant number, since it is smaller than the sum of its proper divisors (230296762974).

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

225724275618 is a wasteful number, since it uses less digits than its factorization.

225724275618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84010.

The product of its digits is 3763200, while the sum is 51.

The spelling of 225724275618 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred seventy-five thousand, six hundred eighteen".