4224044020 has 72 divisors (see below), whose sum is σ = 10352048616. Its totient is φ = 1443568896.

The previous prime is 4224044017. The next prime is 4224044087. The reversal of 4224044020 is 204404224.

It can be written as a sum of positive squares in 4 ways, for example, as 153859216 + 4070184804 = 12404^2 + 63798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4224043982 and 4224044000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303862 + ... + 317458.

It is an arithmetic number, because the mean of its divisors is an integer number (143778453).

Almost surely, 2^4224044020 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 4224044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5176024308).

4224044020 is an abundant number, since it is smaller than the sum of its proper divisors (6128004596).

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

4224044020 is a wasteful number, since it uses less digits than its factorization.

4224044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937 (or 13928 counting only the distinct ones).

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

The square root of 4224044020 is about 64992.6458916699. The cubic root of 4224044020 is about 1616.5016236140.

Adding to 4224044020 its reverse (204404224), we get a palindrome (4428448244).

The spelling of 4224044020 in words is "four billion, two hundred twenty-four million, forty-four thousand, twenty".