199216282 has 8 divisors (see below), whose sum is σ = 298890900. Its totient is φ = 99585984.

The previous prime is 199216249. The next prime is 199216309. The reversal of 199216282 is 282612991.

It can be written as a sum of positive squares in 2 ways, for example, as 187717401 + 11498881 = 13701^2 + 3391^2 .

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

It is a super-3 number, since 3×199216282³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4594 + ... + 20482.

Almost surely, 2^199216282 is an apocalyptic number.

199216282 is a deficient number, since it is larger than the sum of its proper divisors (99674618).

199216282 is a wasteful number, since it uses less digits than its factorization.

199216282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22160.

The product of its digits is 31104, while the sum is 40.

The square root of 199216282 is about 14114.3998101230. The cubic root of 199216282 is about 584.0386792578.

The spelling of 199216282 in words is "one hundred ninety-nine million, two hundred sixteen thousand, two hundred eighty-two".