199228271 has 8 divisors (see below), whose sum is σ = 217810944. Its totient is φ = 180724120.

The previous prime is 199228261. The next prime is 199228301. The reversal of 199228271 is 172822991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199228271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199228241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14255 + ... + 24528.

It is an arithmetic number, because the mean of its divisors is an integer number (27226368).

Almost surely, 2^199228271 is an apocalyptic number.

199228271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

199228271 is a deficient number, since it is larger than the sum of its proper divisors (18582673).

199228271 is a wasteful number, since it uses less digits than its factorization.

199228271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39261.

The product of its digits is 36288, while the sum is 41.

The square root of 199228271 is about 14114.8245118386. The cubic root of 199228271 is about 584.0503949991.

The spelling of 199228271 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, two hundred seventy-one".