199228369 has 8 divisors (see below), whose sum is σ = 210228480. Its totient is φ = 188423136.

The previous prime is 199228361. The next prime is 199228391. The reversal of 199228369 is 963822991.

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

It is a cyclic number.

It is not a de Polignac number, because 199228369 - 2³ = 199228361 is a prime.

It is a super-2 number, since 2×199228369² = 79383886028800322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199228361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46617 + ... + 50710.

It is an arithmetic number, because the mean of its divisors is an integer number (26278560).

Almost surely, 2^199228369 is an apocalyptic number.

It is an amenable number.

199228369 is a deficient number, since it is larger than the sum of its proper divisors (11000111).

199228369 is an equidigital number, since it uses as much as digits as its factorization.

199228369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97439.

The product of its digits is 419904, while the sum is 49.

The square root of 199228369 is about 14114.8279833656. The cubic root of 199228369 is about 584.0504907635.

The spelling of 199228369 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, three hundred sixty-nine".