22000220000 has 180 divisors, whose sum is σ = 59498038908. Its totient is φ = 7999200000.

The previous prime is 22000219999. The next prime is 22000220051. The reversal of 22000220000 is 2200022.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22000220000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2415455 + ... + 2424545.

Almost surely, 2^22000220000 is an apocalyptic number.

22000220000 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 22000220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29749019454).

22000220000 is an abundant number, since it is smaller than the sum of its proper divisors (37497818908).

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

22000220000 is an equidigital number, since it uses as much as digits as its factorization.

22000220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 22000220000 its reverse (2200022), we get a palindrome (22002420022).

22000220000 divided by its reverse (2200022) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 2 and 2000220000, that added together give a palindrome (2000220002).

The spelling of 22000220000 in words is "twenty-two billion, two hundred twenty thousand".