199448271 has 32 divisors (see below), whose sum is σ = 324576000. Its totient is φ = 120039840.

The previous prime is 199448269. The next prime is 199448279. The reversal of 199448271 is 172844991.

It is a happy number.

199448271 is a `hidden beast` number, since 19 + 94 + 482 + 71 = 666.

It is not a de Polignac number, because 199448271 - 2¹ = 199448269 is a prime.

It is a super-2 number, since 2×199448271² = 79559225609778882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199448279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42000 + ... + 46506.

It is an arithmetic number, because the mean of its divisors is an integer number (10143000).

Almost surely, 2^199448271 is an apocalyptic number.

199448271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

199448271 is a deficient number, since it is larger than the sum of its proper divisors (125127729).

199448271 is a wasteful number, since it uses less digits than its factorization.

199448271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676 (or 4670 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 199448271 is about 14122.6155863565. The cubic root of 199448271 is about 584.2652972639.

The spelling of 199448271 in words is "one hundred ninety-nine million, four hundred forty-eight thousand, two hundred seventy-one".