1 일 2 이 3삼 10십 100백 1,000천 10,000만 100,000십만 1000,000백만 10,000,000 천만 100,000,000 일억 222,222 이십이만이천이백이십이 100,534 십만오백삼십사 12,500 십이만오백 12,000 십이만 1,000,000 백만 1,000,001 백만일 1,000,002 백만이

answering to your comment on Amy's answer: yes, it's sino-korean. some of uses for both systems: Sino korean: prices, dates, when talking about your age in a formal way, when just counting (like Amy did) Native korean: when counting things (like one apple = 사과 한 개 ), when telling your age in a casual way TIME: use native system for hours, and sino for minutes hope it helps ^^