There is a four-digit positive integer, and the thousands digit is 2. If the 2 is moved to the ones digit, the new number obtained is 66 times greater than twice the original number. What is the four-digit number?
有一个四位的正整数，千位数字是2，若把2移到个位上去，所得新数比原数的2倍大66，则这个四位数是多少
<result>2_508</result>