199229958 has 24 divisors (see below), whose sum is σ = 434056896. Its totient is φ = 66042000.

The previous prime is 199229939. The next prime is 199229959. The reversal of 199229958 is 859922991.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199229959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27318 + ... + 33833.

It is an arithmetic number, because the mean of its divisors is an integer number (18085704).

Almost surely, 2^199229958 is an apocalyptic number.

199229958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

199229958 is an abundant number, since it is smaller than the sum of its proper divisors (234826938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199229958 is a wasteful number, since it uses less digits than its factorization.

199229958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61340 (or 61337 counting only the distinct ones).

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

The square root of 199229958 is about 14114.8842715766. The cubic root of 199229958 is about 584.0520435105.

The spelling of 199229958 in words is "one hundred ninety-nine million, two hundred twenty-nine thousand, nine hundred fifty-eight".