4042224220 has 24 divisors (see below), whose sum is σ = 8489998944. Its totient is φ = 1616636736.

The previous prime is 4042224187. The next prime is 4042224239. The reversal of 4042224220 is 224222404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4042224191 and 4042224200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166497 + ... + 189223.

It is an arithmetic number, because the mean of its divisors is an integer number (353749956).

Almost surely, 2^4042224220 is an apocalyptic number.

It is an amenable number.

4042224220 is an abundant number, since it is smaller than the sum of its proper divisors (4447774724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042224220 is a wasteful number, since it uses less digits than its factorization.

4042224220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31629 (or 31627 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4042224220 is about 63578.4886577213. The cubic root of 4042224220 is about 1592.9670768521.

Adding to 4042224220 its reverse (224222404), we get a palindrome (4266446624).

The spelling of 4042224220 in words is "four billion, forty-two million, two hundred twenty-four thousand, two hundred twenty".