22022220102220 has 144 divisors (see below), whose sum is σ = 51052140844992. Its totient is φ = 7932388907520.

The previous prime is 22022220102209. The next prime is 22022220102227. The reversal of 22022220102220 is 2220102222022.

It is not an unprimeable number, because it can be changed into a prime (22022220102227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395621190 + ... + 395676850.

It is an arithmetic number, because the mean of its divisors is an integer number (354528755868).

Almost surely, 2^{22022220102220} is an apocalyptic number.

22022220102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22022220102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25526070422496).

22022220102220 is an abundant number, since it is smaller than the sum of its proper divisors (29029920742772).

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

22022220102220 is a wasteful number, since it uses less digits than its factorization.

22022220102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56592 (or 56547 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22022220102220 its reverse (2220102222022), we get a palindrome (24242322324242).

The spelling of 22022220102220 in words is "twenty-two trillion, twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred twenty".