22223102220 has 192 divisors, whose sum is σ = 75521134080. Its totient is φ = 5380473600.

The previous prime is 22223102207. The next prime is 22223102249. The reversal of 22223102220 is 2220132222.

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 = 22223102193 and 22223102202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5765814 + ... + 5769666.

It is an arithmetic number, because the mean of its divisors is an integer number (393339240).

Almost surely, 2^22223102220 is an apocalyptic number.

22223102220 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 22223102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37760567040).

22223102220 is an abundant number, since it is smaller than the sum of its proper divisors (53298031860).

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

22223102220 is a wasteful number, since it uses less digits than its factorization.

22223102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4845 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22223102220 its reverse (2220132222), we get a palindrome (24443234442).

The spelling of 22223102220 in words is "twenty-two billion, two hundred twenty-three million, one hundred two thousand, two hundred twenty".