2222244444 has 96 divisors (see below), whose sum is σ = 6095480832. Its totient is φ = 616896000.

The previous prime is 2222244439. The next prime is 2222244463. The reversal of 2222244444 is 4444422222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932134 + ... + 934514.

It is an arithmetic number, because the mean of its divisors is an integer number (63494592).

Almost surely, 2^2222244444 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 2222244444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3047740416).

2222244444 is an abundant number, since it is smaller than the sum of its proper divisors (3873236388).

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

2222244444 is a wasteful number, since it uses less digits than its factorization.

2222244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2705 counting only the distinct ones).

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

The square root of 2222244444 is about 47140.6877760603. The cubic root of 2222244444 is about 1304.9602301411.

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

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

The spelling of 2222244444 in words is "two billion, two hundred twenty-two million, two hundred forty-four thousand, four hundred forty-four".