$g\left(x\right)=\frac{x^2-x-a}{x^3-x-b}$

The function $g$ is defined by the given equation, where $a$ and $b$ are constants. In the xy-plane, the graph of $y=g\left(x\right)$ passes through the point $\left(0,22\right)$, and $g\left(-22\right)=0$. What is the value of $b$?