204112229 has 2 divisors, whose sum is σ = 204112230. Its totient is φ = 204112228.

The previous prime is 204112219. The next prime is 204112253. The reversal of 204112229 is 922211402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200788900 + 3323329 = 14170^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 204112229 - 2²⁴ = 187335013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204112219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102056114 + 102056115.

It is an arithmetic number, because the mean of its divisors is an integer number (102056115).

Almost surely, 2^204112229 is an apocalyptic number.

It is an amenable number.

204112229 is a deficient number, since it is larger than the sum of its proper divisors (1).

204112229 is an equidigital number, since it uses as much as digits as its factorization.

204112229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 204112229 is about 14286.7851177233. The cubic root of 204112229 is about 588.7844638237.

The spelling of 204112229 in words is "two hundred four million, one hundred twelve thousand, two hundred twenty-nine".