The version you requested (4.4.0-1013.22) is not available, but a newer one is (4.4.0-1017.26). We redirected you there.
This file is indexed.

/lib/modules/4.4.0-62-generic/build is in linux-headers-4.4.0-62-generic 4.4.0-62.83.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/src/linux-headers-4.4.0-62-generic