199692226 has 16 divisors (see below), whose sum is σ = 305337600. Its totient is φ = 97921168.

The previous prime is 199692209. The next prime is 199692247. The reversal of 199692226 is 622296991.

199692226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54756 + ... + 58288.

It is an arithmetic number, because the mean of its divisors is an integer number (19083600).

Almost surely, 2^199692226 is an apocalyptic number.

199692226 is the 7066-th decagonal number.

199692226 is a deficient number, since it is larger than the sum of its proper divisors (105645374).

199692226 is a wasteful number, since it uses less digits than its factorization.

199692226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073.

The product of its digits is 209952, while the sum is 46.

The square root of 199692226 is about 14131.2499800973. The cubic root of 199692226 is about 584.5034147563.

The spelling of 199692226 in words is "one hundred ninety-nine million, six hundred ninety-two thousand, two hundred twenty-six".