22022010220 has 72 divisors (see below), whose sum is σ = 53852359680. Its totient is φ = 7542581760.

The previous prime is 22022010187. The next prime is 22022010251. The reversal of 22022010220 is 2201022022.

It is a self number, because there is not a number n which added to its sum of digits gives 22022010220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977685 + ... + 999955.

It is an arithmetic number, because the mean of its divisors is an integer number (747949440).

Almost surely, 2^22022010220 is an apocalyptic number.

22022010220 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 22022010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26926179840).

22022010220 is an abundant number, since it is smaller than the sum of its proper divisors (31830349460).

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

22022010220 is a wasteful number, since it uses less digits than its factorization.

22022010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23303 (or 23294 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22022010220 its reverse (2201022022), we get a palindrome (24223032242).

The spelling of 22022010220 in words is "twenty-two billion, twenty-two million, ten thousand, two hundred twenty".