22122020222220 has 24 divisors (see below), whose sum is σ = 61941656622384. Its totient is φ = 5899205392576.

The previous prime is 22122020222171. The next prime is 22122020222231. The reversal of 22122020222220 is 2222202022122.

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, 184350168459 + ... + 184350168578.

It is an arithmetic number, because the mean of its divisors is an integer number (2580902359266).

Almost surely, 2^{22122020222220} is an apocalyptic number.

22122020222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122020222220 is an abundant number, since it is smaller than the sum of its proper divisors (39819636400164).

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

22122020222220 is a wasteful number, since it uses less digits than its factorization.

22122020222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368700337049 (or 368700337047 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22122020222220 its reverse (2222202022122), we get a palindrome (24344222244342).

The spelling of 22122020222220 in words is "twenty-two trillion, one hundred twenty-two billion, twenty million, two hundred twenty-two thousand, two hundred twenty".