199559226 has 32 divisors (see below), whose sum is σ = 423309888. Its totient is φ = 62501120.

The previous prime is 199559221. The next prime is 199559233. The reversal of 199559226 is 622955991.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (199559221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77581 + ... + 80111.

It is an arithmetic number, because the mean of its divisors is an integer number (13228434).

Almost surely, 2^199559226 is an apocalyptic number.

199559226 is an abundant number, since it is smaller than the sum of its proper divisors (223750662).

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

199559226 is a wasteful number, since it uses less digits than its factorization.

199559226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its digits is 437400, while the sum is 48.

The square root of 199559226 is about 14126.5433139180. The cubic root of 199559226 is about 584.3736213223.

The spelling of 199559226 in words is "one hundred ninety-nine million, five hundred fifty-nine thousand, two hundred twenty-six".