229477618 has 4 divisors (see below), whose sum is σ = 344216430. Its totient is φ = 114738808.

The previous prime is 229477583. The next prime is 229477631. The reversal of 229477618 is 816774922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 172580769 + 56896849 = 13137^2 + 7543^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57369403 + ... + 57369406.

Almost surely, 2^229477618 is an apocalyptic number.

229477618 is a deficient number, since it is larger than the sum of its proper divisors (114738812).

229477618 is a wasteful number, since it uses less digits than its factorization.

229477618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114738811.

The product of its digits is 338688, while the sum is 46.

The square root of 229477618 is about 15148.5186734545. The cubic root of 229477618 is about 612.2283614587.

The spelling of 229477618 in words is "two hundred twenty-nine million, four hundred seventy-seven thousand, six hundred eighteen".