204310229 has 4 divisors (see below), whose sum is σ = 204341676. Its totient is φ = 204278784.

The previous prime is 204310213. The next prime is 204310241. The reversal of 204310229 is 922013402.

204310229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2244004 + 202066225 = 1498^2 + 14215^2 .

It is a cyclic number.

It is not a de Polignac number, because 204310229 - 2⁴ = 204310213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204310279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964 + ... + 20309.

It is an arithmetic number, because the mean of its divisors is an integer number (51085419).

Almost surely, 2^204310229 is an apocalyptic number.

It is an amenable number.

204310229 is a deficient number, since it is larger than the sum of its proper divisors (31447).

204310229 is an equidigital number, since it uses as much as digits as its factorization.

204310229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 204310229 is about 14293.7129186226. The cubic root of 204310229 is about 588.9747866486.

The spelling of 204310229 in words is "two hundred four million, three hundred ten thousand, two hundred twenty-nine".