What does 2 Chronicles 33:21 mean?

2 Chronicles 33:21 KJV
Amon [was] two and twenty years old when he began to reign, and reigned two years in Jerusalem.

2 Chronicles 33:21 MKJV
Amon [was] twenty-two years old when he began to reign, and he reigned two years in Jerusalem.

2 Chronicles 33:21 NKJV
Amon [was] twenty-two years old when he became king, and he reigned two years in Jerusalem.

2 Chronicles 33:21 KJV 2000
Amon was two and twenty years old when he began to reign, and reigned two years in Jerusalem.

Interlinear KJV

Amon /’Amown/ was two /sh@nayim/ and twenty /`esriym/ years /shaneh (in pl. only),/ old /ben/ when he began to reign, /malak/ and reigned /malak/ two /sh@nayim/ years /shaneh (in pl. only),/ in Jerusalem. /Y@ruwshalaim/

Commentary