4444444222 has 4 divisors (see below), whose sum is σ = 6666666336. Its totient is φ = 2222222110.

The previous prime is 4444444211. The next prime is 4444444229. The reversal of 4444444222 is 2224444444.

It is a semiprime because it is the product of two primes.

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 (4444444229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111111054 + ... + 1111111057.

It is an arithmetic number, because the mean of its divisors is an integer number (1666666584).

Almost surely, 2^4444444222 is an apocalyptic number.

4444444222 is a deficient number, since it is larger than the sum of its proper divisors (2222222114).

4444444222 is a wasteful number, since it uses less digits than its factorization.

4444444222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222222113.

The product of its digits is 131072, while the sum is 34.

The square root of 4444444222 is about 66666.6649983333. The cubic root of 4444444222 is about 1644.1413554572.

Adding to 4444444222 its reverse (2224444444), we get a palindrome (6668888666).

The spelling of 4444444222 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, two hundred twenty-two".