199228398 has 8 divisors (see below), whose sum is σ = 398456808. Its totient is φ = 66409464.

The previous prime is 199228391. The next prime is 199228409. The reversal of 199228398 is 893822991.

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

199228398 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 199228398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199228391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16602361 + ... + 16602372.

It is an arithmetic number, because the mean of its divisors is an integer number (49807101).

Almost surely, 2^199228398 is an apocalyptic number.

199228398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199228398 is a wasteful number, since it uses less digits than its factorization.

199228398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33204738.

The product of its digits is 559872, while the sum is 51.

The square root of 199228398 is about 14114.8290106540. The cubic root of 199228398 is about 584.0505191019.

The spelling of 199228398 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, three hundred ninety-eight".