4243440222 has 96 divisors (see below), whose sum is σ = 10790357760. Its totient is φ = 1179930240.

The previous prime is 4243440217. The next prime is 4243440367. The reversal of 4243440222 is 2220443424.

4243440222 is a `hidden beast` number, since 4 + 2 + 434 + 4 + 0 + 222 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2907729 + ... + 2909187.

It is an arithmetic number, because the mean of its divisors is an integer number (112399560).

Almost surely, 2^4243440222 is an apocalyptic number.

4243440222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243440222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5395178880).

4243440222 is an abundant number, since it is smaller than the sum of its proper divisors (6546917538).

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

4243440222 is a wasteful number, since it uses less digits than its factorization.

4243440222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 4243440222 is about 65141.6934228763. The cubic root of 4243440222 is about 1618.9720936915.

Adding to 4243440222 its reverse (2220443424), we get a palindrome (6463883646).

The spelling of 4243440222 in words is "four billion, two hundred forty-three million, four hundred forty thousand, two hundred twenty-two".