22122221222122 has 8 divisors (see below), whose sum is σ = 37923807809376. Its totient is φ = 9480951952332.

The previous prime is 22122221222089. The next prime is 22122221222141. The reversal of 22122221222122 is 22122212222122.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790079329348 + ... + 790079329375.

It is an arithmetic number, because the mean of its divisors is an integer number (4740475976172).

Almost surely, 2^{22122221222122} is an apocalyptic number.

22122221222122 is a deficient number, since it is larger than the sum of its proper divisors (15801586587254).

22122221222122 is a wasteful number, since it uses less digits than its factorization.

22122221222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580158658732.

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

Adding to 22122221222122 its reverse (22122212222122), we get a palindrome (44244433444244).

Subtracting from 22122221222122 its reverse (22122212222122), we obtain a square (9000000 = 3000²).

The spelling of 22122221222122 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".