444444222222 has 192 divisors, whose sum is σ = 1327874655744. Its totient is φ = 103679896320.

The previous prime is 444444222217. The next prime is 444444222227. The reversal of 444444222222 is 222222444444.

444444222222 is a `hidden beast` number, since 4 + 4 + 4 + 4 + 4 + 422 + 2 + 222 = 666.

444444222222 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (444444222217) and next prime (444444222227).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444222227) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 333333 + ... + 999999.

It is an arithmetic number, because the mean of its divisors is an integer number (6916013832).

Almost surely, 2^444444222222 is an apocalyptic number.

444444222222 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a pronic number, being equal to 666666×666667.

It is a practical number, because each smaller number is the sum of distinct divisors of 444444222222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663937327872).

444444222222 is an abundant number, since it is smaller than the sum of its proper divisors (883430433522).

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

444444222222 is a wasteful number, since it uses less digits than its factorization.

444444222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666743 (or 666740 counting only the distinct ones).

The product of its digits is 262144, while the sum is 36.

Adding to 444444222222 its reverse (222222444444), we get a palindrome (666666666666).

It can be divided in two parts, 444444222 and 222, that added together give a palindrome (444444444).

The spelling of 444444222222 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred twenty-two thousand, two hundred twenty-two".