188650229 has 2 divisors, whose sum is σ = 188650230. Its totient is φ = 188650228.

The previous prime is 188650219. The next prime is 188650237. The reversal of 188650229 is 922056881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188650225 + 4 = 13735^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188650229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188650219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94325114 + 94325115.

It is an arithmetic number, because the mean of its divisors is an integer number (94325115).

Almost surely, 2^188650229 is an apocalyptic number.

It is an amenable number.

188650229 is a deficient number, since it is larger than the sum of its proper divisors (1).

188650229 is an equidigital number, since it uses as much as digits as its factorization.

188650229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 188650229 is about 13735.0001456134. Note that the first 3 decimals coincide. The cubic root of 188650229 is about 573.5251214854.

The spelling of 188650229 in words is "one hundred eighty-eight million, six hundred fifty thousand, two hundred twenty-nine".