/usr/lib/libmysqlpp.so.3 is in libmysql++3v5 3.2.2+pristine-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libmysqlpp.so.3.2.2
/usr/lib/libmysqlpp.so.3.2.2