225733618 has 16 divisors (see below), whose sum is σ = 378393120. Its totient is φ = 100103200.

The previous prime is 225733603. The next prime is 225733631. The reversal of 225733618 is 816337522.

225733618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124228 + ... + 126031.

It is an arithmetic number, because the mean of its divisors is an integer number (23649570).

Almost surely, 2^225733618 is an apocalyptic number.

225733618 is a deficient number, since it is larger than the sum of its proper divisors (152659502).

225733618 is a wasteful number, since it uses less digits than its factorization.

225733618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250313.

The product of its digits is 60480, while the sum is 37.

The square root of 225733618 is about 15024.4340326017. The cubic root of 225733618 is about 608.8805213541.

The spelling of 225733618 in words is "two hundred twenty-five million, seven hundred thirty-three thousand, six hundred eighteen".