Three Dimensional Geometry

The foot of the perpendicular drawn from $A(1,2,2)$ oril the the plane $x+2 y+2 z-5=0$ is $B(\alpha, \beta, \gamma)$. If $\pi(x, y, z)$ $=x+2 y+2 z+5=0$ is a plane, then $-\pi(A): \pi(B)=$