199802214 has 80 divisors (see below), whose sum is σ = 475675200. Its totient is φ = 62507376.

The previous prime is 199802203. The next prime is 199802231. The reversal of 199802214 is 412208991.

199802214 is a modest number, since divided by 2214 gives 1998 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 427609 + ... + 428075.

It is an arithmetic number, because the mean of its divisors is an integer number (5945940).

Almost surely, 2^199802214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199802214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237837600).

199802214 is an abundant number, since it is smaller than the sum of its proper divisors (275872986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199802214 is a wasteful number, since it uses less digits than its factorization.

199802214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 199802214 is about 14135.1411029392. The cubic root of 199802214 is about 584.6107074693.

The spelling of 199802214 in words is "one hundred ninety-nine million, eight hundred two thousand, two hundred fourteen".