229379618 has 16 divisors (see below), whose sum is σ = 383314680. Its totient is φ = 102216576.

The previous prime is 229379617. The next prime is 229379639. The reversal of 229379618 is 816973922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 202578289 + 26801329 = 14233^2 + 5177^2 .

It is not an unprimeable number, because it can be changed into a prime (229379617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151355 + ... + 152862.

Almost surely, 2^229379618 is an apocalyptic number.

229379618 is a deficient number, since it is larger than the sum of its proper divisors (153935062).

229379618 is a wasteful number, since it uses less digits than its factorization.

229379618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304261.

The product of its digits is 326592, while the sum is 47.

The square root of 229379618 is about 15145.2836883302. The cubic root of 229379618 is about 612.1411969343.

The spelling of 229379618 in words is "two hundred twenty-nine million, three hundred seventy-nine thousand, six hundred eighteen".