22122122122222 has 48 divisors (see below), whose sum is σ = 34765414961040. Its totient is φ = 10545078755456.

The previous prime is 22122122122207. The next prime is 22122122122229. The reversal of 22122122122222 is 22222122122122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122122122229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761950218 + ... + 761979250.

It is an arithmetic number, because the mean of its divisors is an integer number (724279478355).

Almost surely, 2^{22122122122222} is an apocalyptic number.

22122122122222 is a deficient number, since it is larger than the sum of its proper divisors (12643292838818).

22122122122222 is a wasteful number, since it uses less digits than its factorization.

22122122122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31137 (or 31054 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

Adding to 22122122122222 its reverse (22222122122122), we get a palindrome (44344244244344).

The spelling of 22122122122222 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".