199229859 has 6 divisors (see below), whose sum is σ = 287776476. Its totient is φ = 132819900.

The previous prime is 199229857. The next prime is 199229869. The reversal of 199229859 is 958922991.

It is not a de Polignac number, because 199229859 - 2¹ = 199229857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199229857) 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 in 5 ways as a sum of consecutive naturals, for example, 11068317 + ... + 11068334.

It is an arithmetic number, because the mean of its divisors is an integer number (47962746).

Almost surely, 2^199229859 is an apocalyptic number.

199229859 is a deficient number, since it is larger than the sum of its proper divisors (88546617).

199229859 is a wasteful number, since it uses less digits than its factorization.

199229859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22136657 (or 22136654 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 199229859 is about 14114.8807646398. The cubic root of 199229859 is about 584.0519467694.

The spelling of 199229859 in words is "one hundred ninety-nine million, two hundred twenty-nine thousand, eight hundred fifty-nine".