226215838 has 16 divisors (see below), whose sum is σ = 361370160. Its totient is φ = 105836416.

The previous prime is 226215811. The next prime is 226215851. The reversal of 226215838 is 838512622.

It is a junction number, because it is equal to n+sod(n) for n = 226215797 and 226215806.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 13348 + ... + 25111.

It is an arithmetic number, because the mean of its divisors is an integer number (22585635).

Almost surely, 2^226215838 is an apocalyptic number.

226215838 is a deficient number, since it is larger than the sum of its proper divisors (135154322).

226215838 is a wasteful number, since it uses less digits than its factorization.

226215838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38651.

The product of its digits is 46080, while the sum is 37.

The square root of 226215838 is about 15040.4733303178. The cubic root of 226215838 is about 609.3137835608.

The spelling of 226215838 in words is "two hundred twenty-six million, two hundred fifteen thousand, eight hundred thirty-eight".