22244424222 has 16 divisors (see below), whose sum is σ = 44502008832. Its totient is φ = 7412614680.

The previous prime is 22244424199. The next prime is 22244424227. The reversal of 22244424222 is 22242444222.

It is a self number, because there is not a number n which added to its sum of digits gives 22244424222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244424227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526308 + ... + 566999.

It is an arithmetic number, because the mean of its divisors is an integer number (2781375552).

Almost surely, 2^22244424222 is an apocalyptic number.

22244424222 is an abundant number, since it is smaller than the sum of its proper divisors (22257584610).

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

22244424222 is a wasteful number, since it uses less digits than its factorization.

22244424222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096703.

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

Adding to 22244424222 its reverse (22242444222), we get a palindrome (44486868444).

The spelling of 22244424222 in words is "twenty-two billion, two hundred forty-four million, four hundred twenty-four thousand, two hundred twenty-two".