It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2122303 is a prime.
2122303 is a lucky number.
It is a congruent number.
22122303 is an apocalyptic number.
2122303 is an equidigital number, since it uses as much as digits as its factorization.
2122303 is an evil number, because the sum of its binary digits is even.
The square root of 2122303 is about 1456.8126166395. The cubic root of 2122303 is about 128.5096663382.
Adding to 2122303 its reverse (3032212), we get a palindrome (5154515).
Subtracting 2122303 from its reverse (3032212), we obtain a palindrome (909909).
The spelling of 2122303 in words is "two million, one hundred twenty-two thousand, three hundred three".