226215611 has 2 divisors, whose sum is σ = 226215612. Its totient is φ = 226215610.

The previous prime is 226215599. The next prime is 226215677. The reversal of 226215611 is 116512622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226215611 - 2²⁶ = 159106747 is a prime.

It is not a weakly prime, because it can be changed into another prime (226215811) 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, 113107805 + 113107806.

It is an arithmetic number, because the mean of its divisors is an integer number (113107806).

Almost surely, 2^226215611 is an apocalyptic number.

226215611 is a deficient number, since it is larger than the sum of its proper divisors (1).

226215611 is an equidigital number, since it uses as much as digits as its factorization.

226215611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 226215611 is about 15040.4657840108. The cubic root of 226215611 is about 609.3135797521.

The spelling of 226215611 in words is "two hundred twenty-six million, two hundred fifteen thousand, six hundred eleven".