204434227 has 2 divisors, whose sum is σ = 204434228. Its totient is φ = 204434226.

The previous prime is 204434173. The next prime is 204434239. The reversal of 204434227 is 722434402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204434227 - 2¹⁵ = 204401459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204434195 and 204434204.

It is not a weakly prime, because it can be changed into another prime (204434257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102217113 + 102217114.

It is an arithmetic number, because the mean of its divisors is an integer number (102217114).

Almost surely, 2^204434227 is an apocalyptic number.

204434227 is a deficient number, since it is larger than the sum of its proper divisors (1).

204434227 is an equidigital number, since it uses as much as digits as its factorization.

204434227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 204434227 is about 14298.0497621179. The cubic root of 204434227 is about 589.0939141903.

Adding to 204434227 its reverse (722434402), we get a palindrome (926868629).

The spelling of 204434227 in words is "two hundred four million, four hundred thirty-four thousand, two hundred twenty-seven".