226911909 has 16 divisors (see below), whose sum is σ = 356925440. Its totient is φ = 125480880.

The previous prime is 226911907. The next prime is 226911913. The reversal of 226911909 is 909119622.

226911909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226911909 - 2¹ = 226911907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226911901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173629 + ... + 174930.

It is an arithmetic number, because the mean of its divisors is an integer number (22307840).

Almost surely, 2^226911909 is an apocalyptic number.

It is an amenable number.

226911909 is a deficient number, since it is larger than the sum of its proper divisors (130013531).

226911909 is a wasteful number, since it uses less digits than its factorization.

226911909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348600.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 226911909 is about 15063.5954871339. The cubic root of 226911909 is about 609.9381008587.

The spelling of 226911909 in words is "two hundred twenty-six million, nine hundred eleven thousand, nine hundred nine".