22000200022122 has 256 divisors, whose sum is σ = 56305526796288. Its totient is φ = 5587575275520.

The previous prime is 22000200022103. The next prime is 22000200022123. The reversal of 22000200022122 is 22122000200022.

It is not an unprimeable number, because it can be changed into a prime (22000200022123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 142165033 + ... + 142319699.

It is an arithmetic number, because the mean of its divisors is an integer number (219943464048).

Almost surely, 2^{22000200022122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000200022122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28152763398144).

22000200022122 is an abundant number, since it is smaller than the sum of its proper divisors (34305326774166).

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

22000200022122 is a wasteful number, since it uses less digits than its factorization.

22000200022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154893.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22000200022122 its reverse (22122000200022), we get a palindrome (44122200222144).

The spelling of 22000200022122 in words is "twenty-two trillion, two hundred million, twenty-two thousand, one hundred twenty-two".