2 Chronicles 30:24 Commentary - English Annotations on the Holy Bible by Matthew Poole

Hezekiah did give to the congregation; first to God, to whom the parts appointed were offered in way of thanksgiving; and then to the people, who feasted upon the relics, as the offerer used to do in peace-offerings; and Hezekiah, who was the offerer, gave away his right in the remains of the sacrifices to the people.

A thousand bullocks and seven thousand sheep; which generosity is the more considerable, because it was in the beginning of his reign, when he found the royal exchequer exhausted and empty; and when he had been at great expense about the cleansing and refitting of the temple, and making preparations for this great feast.

A great number of priests sanctified themselves; having now both more time and further need of sanctifying themselves to offer these numerous sacrifices.