22020330222 has 64 divisors (see below), whose sum is σ = 53653881600. Its totient is φ = 6638919840.

The previous prime is 22020330209. The next prime is 22020330271. The reversal of 22020330222 is 22203302022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22020330195 and 22020330204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22929 + ... + 211107.

It is an arithmetic number, because the mean of its divisors is an integer number (838341900).

Almost surely, 2^22020330222 is an apocalyptic number.

22020330222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22020330222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26826940800).

22020330222 is an abundant number, since it is smaller than the sum of its proper divisors (31633551378).

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

22020330222 is a wasteful number, since it uses less digits than its factorization.

22020330222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188398 (or 188392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22020330222 its reverse (22203302022), we get a palindrome (44223632244).

The spelling of 22020330222 in words is "twenty-two billion, twenty million, three hundred thirty thousand, two hundred twenty-two".