2444442222 has 64 divisors (see below), whose sum is σ = 5167669248. Its totient is φ = 769824000.

The previous prime is 2444442193. The next prime is 2444442239. The reversal of 2444442222 is 2222444442.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2444442222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2466147 + ... + 2467137.

It is an arithmetic number, because the mean of its divisors is an integer number (80744832).

Almost surely, 2^2444442222 is an apocalyptic number.

2444442222 is an abundant number, since it is smaller than the sum of its proper divisors (2723227026).

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

2444442222 is a wasteful number, since it uses less digits than its factorization.

2444442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

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

The square root of 2444442222 is about 49441.3007717232. The cubic root of 2444442222 is about 1347.0795986271.

Adding to 2444442222 its reverse (2222444442), we get a palindrome (4666886664).

It can be divided in two parts, 24444 and 42222, that added together give a palindrome (66666).

The spelling of 2444442222 in words is "two billion, four hundred forty-four million, four hundred forty-two thousand, two hundred twenty-two".