2242404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
22242404 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2242404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2945635).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2242404 is an equidigital number, since it uses as much as digits as its factorization.
2242404 is an evil number, because the sum of its binary digits is even.
The square root of 2242404 is about 1497.4658593771. The cubic root of 2242404 is about 130.8894430740.
Adding to 2242404 its sum of digits (18), we get a palindrome (2242422).
Adding to 2242404 its reverse (4042422), we get a palindrome (6284826).
The spelling of 2242404 in words is "two million, two hundred forty-two thousand, four hundred four".