Adding to 1001222 its reverse (2221001), we get a palindrome (3222223).
1001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
21001222 is an apocalyptic number.
1001222 is a wasteful number, since it uses less digits than its factorization.
1001222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2814.
The square root of 1001222 is about 1000.6108134535. The cubic root of 1001222 is about 100.0407167525.
The spelling of 1001222 in words is "one million, one thousand, two hundred twenty-two".