199226306 has 4 divisors (see below), whose sum is σ = 298839462. Its totient is φ = 99613152.

The previous prime is 199226273. The next prime is 199226327. The reversal of 199226306 is 603622991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 195748081 + 3478225 = 13991^2 + 1865^2 .

It is a super-2 number, since 2×199226306² = 79382242004811272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199226306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49806575 + ... + 49806578.

Almost surely, 2^199226306 is an apocalyptic number.

199226306 is a deficient number, since it is larger than the sum of its proper divisors (99613156).

199226306 is an equidigital number, since it uses as much as digits as its factorization.

199226306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99613155.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 199226306 is about 14114.7549040003. The cubic root of 199226306 is about 584.0484748184.

The spelling of 199226306 in words is "one hundred ninety-nine million, two hundred twenty-six thousand, three hundred six".