229697618 has 8 divisors (see below), whose sum is σ = 344613360. Its totient is φ = 114826500.

The previous prime is 229697609. The next prime is 229697623. The reversal of 229697618 is 816796922.

It is a happy number.

229697618 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 23243.

It is an arithmetic number, because the mean of its divisors is an integer number (43076670).

Almost surely, 2^229697618 is an apocalyptic number.

229697618 is a deficient number, since it is larger than the sum of its proper divisors (114915742).

229697618 is a wasteful number, since it uses less digits than its factorization.

229697618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22312.

The product of its digits is 653184, while the sum is 50.

The square root of 229697618 is about 15155.7783699815. The cubic root of 229697618 is about 612.4239465752.

The spelling of 229697618 in words is "two hundred twenty-nine million, six hundred ninety-seven thousand, six hundred eighteen".