22. Hogwarts School of Witchcraft and Wizardry is holding a magic competition, with 246 people signing up to participate. The school has a total of 255 boys, and the number of boys participating in the competition is 11 more than the number of girls not participating. The total number of students at the magic school is $\qquad$ people.
\begin{tabular}{l}
$\mathbf{2 2}$ \\
\hline 490
\end{tabular}