226811138709 has 16 divisors (see below), whose sum is σ = 305185631040. Its totient is φ = 149826119040.

The previous prime is 226811138699. The next prime is 226811138791. The reversal of 226811138709 is 907831118622.

It is not a de Polignac number, because 226811138709 - 2¹⁷ = 226811007637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226811138209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287679 + ... + 732380.

It is an arithmetic number, because the mean of its divisors is an integer number (19074101940).

Almost surely, 2^226811138709 is an apocalyptic number.

It is an amenable number.

226811138709 is a deficient number, since it is larger than the sum of its proper divisors (78374492331).

226811138709 is a wasteful number, since it uses less digits than its factorization.

226811138709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020740.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 226811138709 in words is "two hundred twenty-six billion, eight hundred eleven million, one hundred thirty-eight thousand, seven hundred nine".