229773205 has 4 divisors (see below), whose sum is σ = 275727852. Its totient is φ = 183818560.

The previous prime is 229773157. The next prime is 229773221. The reversal of 229773205 is 502377922.

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

It can be written as a sum of positive squares in 2 ways, for example, as 148791204 + 80982001 = 12198^2 + 8999^2 .

It is a de Polignac number, because none of the positive numbers 2^k-229773205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22977316 + ... + 22977325.

It is an arithmetic number, because the mean of its divisors is an integer number (68931963).

Almost surely, 2^229773205 is an apocalyptic number.

It is an amenable number.

229773205 is a deficient number, since it is larger than the sum of its proper divisors (45954647).

229773205 is an equidigital number, since it uses as much as digits as its factorization.

229773205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45954646.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 229773205 is about 15158.2718342165. The cubic root of 229773205 is about 612.4911163504.

The spelling of 229773205 in words is "two hundred twenty-nine million, seven hundred seventy-three thousand, two hundred five".