It is a self number, because there is not a number n which added to its sum of digits gives 12231422.
It is a congruent number.
It is an unprimeable number.
Almost surely, 212231422 is an apocalyptic number.
12231422 is a wasteful number, since it uses less digits than its factorization.
12231422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28223.
The square root of 12231422 is about 3497.3449929911. The cubic root of 12231422 is about 230.4052213765.
Adding to 12231422 its reverse (22413221), we get a palindrome (34644643).
The spelling of 12231422 in words is "twelve million, two hundred thirty-one thousand, four hundred twenty-two".