Adding to 22311200 its reverse (211322), we get a palindrome (22522522).
It is a happy number.
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3340.
It is a Duffinian number.
It is an unprimeable number.
Almost surely, 222311200 is an apocalyptic number.
22311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22311200
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22311200 is an equidigital number, since it uses as much as digits as its factorization.
22311200 is an odious number, because the sum of its binary digits is odd.
The square root of 22311200 is about 4723.4732983261. The cubic root of 22311200 is about 281.5189558876.
The spelling of 22311200 in words is "twenty-two million, three hundred eleven thousand, two hundred".