20222222202222 has 16 divisors (see below), whose sum is σ = 41537537496912. Its totient is φ = 6558558552000.

The previous prime is 20222222202173. The next prime is 20222222202239. The reversal of 20222222202222 is 22220222222202.

It is a junction number, because it is equal to n+sod(n) for n = 20222222202192 and 20222222202201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45545545279 + ... + 45545545722.

It is an arithmetic number, because the mean of its divisors is an integer number (2596096093557).

Almost surely, 2^{20222222202222} is an apocalyptic number.

20222222202222 is an abundant number, since it is smaller than the sum of its proper divisors (21315315294690).

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

20222222202222 is a wasteful number, since it uses less digits than its factorization.

20222222202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91091091043.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20222222202222 its reverse (22220222222202), we get a palindrome (42442444424424).

The spelling of 20222222202222 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-two".