4444422222 has 64 divisors (see below), whose sum is σ = 9217797120. Its totient is φ = 1427673600.

The previous prime is 4444422187. The next prime is 4444422223. The reversal of 4444422222 is 2222244444.

It is a happy number.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4444422222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444422223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10866354 + ... + 10866762.

It is an arithmetic number, because the mean of its divisors is an integer number (144028080).

Almost surely, 2^4444422222 is an apocalyptic number.

It is a pronic number, being equal to 66666×66667.

4444422222 is an abundant number, since it is smaller than the sum of its proper divisors (4773374898).

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

4444422222 is a wasteful number, since it uses less digits than its factorization.

4444422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889.

The product of its digits is 32768, while the sum is 30.

The square root of 4444422222 is about 66666.4999981250. The cubic root of 4444422222 is about 1644.1386426194.

Adding to 4444422222 its reverse (2222244444), we get a palindrome (6666666666).

It can be divided in two parts, 44444 and 22222, that added together give a palindrome (66666).

The spelling of 4444422222 in words is "four billion, four hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-two".