234228618 has 128 divisors (see below), whose sum is σ = 625363200. Its totient is φ = 64198656.

The previous prime is 234228607. The next prime is 234228667. The reversal of 234228618 is 816822432.

234228618 is a `hidden beast` number, since 2 + 34 + 2 + 2 + 8 + 618 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226230 + ... + 227262.

It is an arithmetic number, because the mean of its divisors is an integer number (4885650).

Almost surely, 2^234228618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234228618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312681600).

234228618 is an abundant number, since it is smaller than the sum of its proper divisors (391134582).

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

234228618 is a wasteful number, since it uses less digits than its factorization.

234228618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1087 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 234228618 is about 15304.5293295808. The cubic root of 234228618 is about 616.4246330752.

The spelling of 234228618 in words is "two hundred thirty-four million, two hundred twenty-eight thousand, six hundred eighteen".