22010122220226 has 128 divisors (see below), whose sum is σ = 55829077217280. Its totient is φ = 5636413212672.

The previous prime is 22010122220179. The next prime is 22010122220227. The reversal of 22010122220226 is 62202222101022.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22010122220196 and 22010122220205.

It is not an unprimeable number, because it can be changed into a prime (22010122220227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 775630 + ... + 6679958.

It is an arithmetic number, because the mean of its divisors is an integer number (436164665760).

Almost surely, 2^{22010122220226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22010122220226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27914538608640).

22010122220226 is an abundant number, since it is smaller than the sum of its proper divisors (33818954997054).

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

22010122220226 is a wasteful number, since it uses less digits than its factorization.

22010122220226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904608.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22010122220226 its reverse (62202222101022), we get a palindrome (84212344321248).

The spelling of 22010122220226 in words is "twenty-two trillion, ten billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-six".