199448266 has 8 divisors (see below), whose sum is σ = 299468484. Its totient is φ = 99625440.

The previous prime is 199448257. The next prime is 199448269. The reversal of 199448266 is 662844991.

199448266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 185913225 + 13535041 = 13635^2 + 3679^2 .

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

It is a super-2 number, since 2×199448266² = 79559221620813512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199448269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46795 + ... + 50878.

Almost surely, 2^199448266 is an apocalyptic number.

199448266 is a deficient number, since it is larger than the sum of its proper divisors (100020218).

199448266 is a wasteful number, since it uses less digits than its factorization.

199448266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98696.

The product of its digits is 746496, while the sum is 49.

The square root of 199448266 is about 14122.6154093355. The cubic root of 199448266 is about 584.2652923816.

The spelling of 199448266 in words is "one hundred ninety-nine million, four hundred forty-eight thousand, two hundred sixty-six".