226728338 has 16 divisors (see below), whose sum is σ = 349043136. Its totient is φ = 110417040.

The previous prime is 226728331. The next prime is 226728343. The reversal of 226728338 is 833827622.

It is a junction number, because it is equal to n+sod(n) for n = 226728295 and 226728304.

It is not an unprimeable number, because it can be changed into a prime (226728331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3545 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (21815196).

Almost surely, 2^226728338 is an apocalyptic number.

226728338 is a deficient number, since it is larger than the sum of its proper divisors (122314798).

226728338 is a wasteful number, since it uses less digits than its factorization.

226728338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18209.

The product of its digits is 193536, while the sum is 41.

The square root of 226728338 is about 15057.5010542918. The cubic root of 226728338 is about 609.7735771678.

The spelling of 226728338 in words is "two hundred twenty-six million, seven hundred twenty-eight thousand, three hundred thirty-eight".