22222211122 has 16 divisors (see below), whose sum is σ = 33553876032. Its totient is φ = 11037620880.

The previous prime is 22222211117. The next prime is 22222211129. The reversal of 22222211122 is 22111222222.

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

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22222211122.

It is not an unprimeable number, because it can be changed into a prime (22222211129) 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, 2032723 + ... + 2043625.

It is an arithmetic number, because the mean of its divisors is an integer number (2097117252).

Almost surely, 2^22222211122 is an apocalyptic number.

22222211122 is a deficient number, since it is larger than the sum of its proper divisors (11331664910).

22222211122 is a wasteful number, since it uses less digits than its factorization.

22222211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17553.

The product of its digits is 256, while the sum is 19.

Adding to 22222211122 its reverse (22111222222), we get a palindrome (44333433344).

The spelling of 22222211122 in words is "twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".