22011122222022 has 8 divisors (see below), whose sum is σ = 44022244444056. Its totient is φ = 7337040740672.

The previous prime is 22011122221999. The next prime is 22011122222071. The reversal of 22011122222022 is 22022222111022.

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

22011122222022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22011122222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834260185163 + ... + 1834260185174.

It is an arithmetic number, because the mean of its divisors is an integer number (5502780555507).

Almost surely, 2^{22011122222022} is an apocalyptic number.

22011122222022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22011122222022 is a wasteful number, since it uses less digits than its factorization.

22011122222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668520370342.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22011122222022 its reverse (22022222111022), we get a palindrome (44033344333044).

The spelling of 22011122222022 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, twenty-two".