LONDON (AP) — Buckingham Palace announced Thursday that Prince Philip, age 95, also known as the Duke of Edinburgh, will retire from public life. Here's a look at his service by the numbers since his wife became queen in 1952:

22,191 - Solo engagements

637 - Solo overseas visits, including 229 visits to 67 Commonwealth countries, and 408 visits to 76 other countries

5,493 - Speeches given

785 - Charities he's been involved with in some way

54 - Presentations of flags to military regiments

32 - Military service appointments

14 - Books authored

— Source: Buckingham Palace