/usr/lib/x86_64-linux-gnu/libxapian.so.22 is in libxapian22v5 1.2.22-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxapian.so.22.7.0
/usr/lib/x86_64-linux-gnu/libxapian.so.22.7.0