199211714 has 8 divisors (see below), whose sum is σ = 321803580. Its totient is φ = 91943856.

The previous prime is 199211711. The next prime is 199211723. The reversal of 199211714 is 417112991.

It can be written as a sum of positive squares in 2 ways, for example, as 188156089 + 11055625 = 13717^2 + 3325^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199211711) 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, 3830969 + ... + 3831020.

Almost surely, 2^199211714 is an apocalyptic number.

199211714 is a deficient number, since it is larger than the sum of its proper divisors (122591866).

199211714 is a wasteful number, since it uses less digits than its factorization.

199211714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7662004.

The product of its digits is 4536, while the sum is 35.

The square root of 199211714 is about 14114.2379886411. The cubic root of 199211714 is about 584.0342152500.

The spelling of 199211714 in words is "one hundred ninety-nine million, two hundred eleven thousand, seven hundred fourteen".