4031442220 has 96 divisors (see below), whose sum is σ = 9754129728. Its totient is φ = 1386381312.

The previous prime is 4031442209. The next prime is 4031442223. The reversal of 4031442220 is 222441304.

It is a happy number.

4031442220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4031442191 and 4031442200.

It is not an unprimeable number, because it can be changed into a prime (4031442223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424039 + ... + 433441.

It is an arithmetic number, because the mean of its divisors is an integer number (101605518).

Almost surely, 2^4031442220 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 4031442220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4877064864).

4031442220 is an abundant number, since it is smaller than the sum of its proper divisors (5722687508).

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

4031442220 is a wasteful number, since it uses less digits than its factorization.

4031442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4031442220 is about 63493.6392089790. The cubic root of 4031442220 is about 1591.5494856426.

Adding to 4031442220 its reverse (222441304), we get a palindrome (4253883524).

The spelling of 4031442220 in words is "four billion, thirty-one million, four hundred forty-two thousand, two hundred twenty".