199226659 has 2 divisors, whose sum is σ = 199226660. Its totient is φ = 199226658.

The previous prime is 199226597. The next prime is 199226669. The reversal of 199226659 is 956622991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199226659 - 2⁹ = 199226147 is a prime.

It is not a weakly prime, because it can be changed into another prime (199226669) by changing a digit.

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, 99613329 + 99613330.

It is an arithmetic number, because the mean of its divisors is an integer number (99613330).

Almost surely, 2^199226659 is an apocalyptic number.

199226659 is a deficient number, since it is larger than the sum of its proper divisors (1).

199226659 is an equidigital number, since it uses as much as digits as its factorization.

199226659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 49.

The square root of 199226659 is about 14114.7674086398. The cubic root of 199226659 is about 584.0488197678.

The spelling of 199226659 in words is "one hundred ninety-nine million, two hundred twenty-six thousand, six hundred fifty-nine".