226

Number
$226$ (two hundred and twenty-six) is:


 * $2 \times 113$


 * The $36$th happy number after $1, 7, 10, 13, 19, 23, \ldots, 130, 133, 139, 167, 176, 188, 190, 192, 193, 203, 208, 219$:
 * $226 \to 2^2 + 2^2 + 6^2 = 4 + 4 + 36 = 44 \to 4^2 + 4^2 = 16 + 16 = 32 \to 3^2 + 2^2 = 9 + 4 = 13 \to 1^2 + 3^2 = 9 + 1 = 10 \to 1^2 + 0^2 = 1$


 * The $14$th positive integer which cannot be expressed as the sum of a square and a prime:
 * $1, 10, 25, 34, 58, 64, 85, 91, 121, 130, 169, 196, 214, 226, \ldots$


 * The $8$th non-square positive integer which cannot be expressed as the sum of a square and a prime:
 * $10, 34, 58, 85, 91, 130, 214, 226, \ldots$