185350229 has 2 divisors, whose sum is σ = 185350230. Its totient is φ = 185350228.

The previous prime is 185350183. The next prime is 185350237. The reversal of 185350229 is 922053581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172318129 + 13032100 = 13127^2 + 3610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-185350229 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (185350259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92675114 + 92675115.

It is an arithmetic number, because the mean of its divisors is an integer number (92675115).

Almost surely, 2^185350229 is an apocalyptic number.

It is an amenable number.

185350229 is a deficient number, since it is larger than the sum of its proper divisors (1).

185350229 is an equidigital number, since it uses as much as digits as its factorization.

185350229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 185350229 is about 13614.3390952334. The cubic root of 185350229 is about 570.1612645174.

The spelling of 185350229 in words is "one hundred eighty-five million, three hundred fifty thousand, two hundred twenty-nine".