It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22420243.
Almost surely, 222420243 is an apocalyptic number.
22420243 is an equidigital number, since it uses as much as digits as its factorization.
22420243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521444.
The square root of 22420243 is about 4735.0019007388. The cubic root of 22420243 is about 281.9768394707.
Adding to 22420243 its reverse (34202422), we get a palindrome (56622665).
The spelling of 22420243 in words is "twenty-two million, four hundred twenty thousand, two hundred forty-three".