22122001122 has 64 divisors (see below), whose sum is σ = 48356009856. Its totient is φ = 6705999360.

The previous prime is 22122001081. The next prime is 22122001133. The reversal of 22122001122 is 22110022122.

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, 2410222 + ... + 2419382.

It is an arithmetic number, because the mean of its divisors is an integer number (755562654).

Almost surely, 2^22122001122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122001122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24178004928).

22122001122 is an abundant number, since it is smaller than the sum of its proper divisors (26234008734).

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

22122001122 is a wasteful number, since it uses less digits than its factorization.

22122001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22122001122 its reverse (22110022122), we get a palindrome (44232023244).

The spelling of 22122001122 in words is "twenty-two billion, one hundred twenty-two million, one thousand, one hundred twenty-two".