22200000220 has 48 divisors (see below), whose sum is σ = 47933778816. Its totient is φ = 8631360000.

The previous prime is 22200000191. The next prime is 22200000233. The reversal of 22200000220 is 2200000222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22200000197 and 22200000206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172270 + ... + 272170.

It is an arithmetic number, because the mean of its divisors is an integer number (998620392).

Almost surely, 2^22200000220 is an apocalyptic number.

22200000220 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 22200000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23966889408).

22200000220 is an abundant number, since it is smaller than the sum of its proper divisors (25733778596).

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

22200000220 is a wasteful number, since it uses less digits than its factorization.

22200000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100222 (or 100220 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22200000220 its reverse (2200000222), we get a palindrome (24400000442).

The spelling of 22200000220 in words is "twenty-two billion, two hundred million, two hundred twenty", and thus it is an aban number.