229889618 has 8 divisors (see below), whose sum is σ = 394096512. Its totient is φ = 98524116.

The previous prime is 229889617. The next prime is 229889633. The reversal of 229889618 is 816988922.

229889618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 229889618.

It is not an unprimeable number, because it can be changed into a prime (229889617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8210330 + ... + 8210357.

It is an arithmetic number, because the mean of its divisors is an integer number (49262064).

Almost surely, 2^229889618 is an apocalyptic number.

229889618 is a deficient number, since it is larger than the sum of its proper divisors (164206894).

229889618 is a wasteful number, since it uses less digits than its factorization.

229889618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420696.

The product of its digits is 995328, while the sum is 53.

The square root of 229889618 is about 15162.1112645964. Note that the first 3 decimals coincide. The cubic root of 229889618 is about 612.5945370113.

The spelling of 229889618 in words is "two hundred twenty-nine million, eight hundred eighty-nine thousand, six hundred eighteen".