It is a happy number.
42244051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42244051 is a prime.
It is a Duffinian number.
Almost surely, 242244051 is an apocalyptic number.
42244051 is a wasteful number, since it uses less digits than its factorization.
42244051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22540.
The square root of 42244051 is about 6499.5423685056. The cubic root of 42244051 is about 348.2746406202.
Adding to 42244051 its reverse (15044224), we get a palindrome (57288275).
The spelling of 42244051 in words is "forty-two million, two hundred forty-four thousand, fifty-one".