2220022200 has 192 divisors, whose sum is σ = 7711470720. Its totient is φ = 523584000.

The previous prime is 2220022193. The next prime is 2220022201. The reversal of 2220022200 is 22200222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220022201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239655 + ... + 248745.

It is an arithmetic number, because the mean of its divisors is an integer number (40163910).

Almost surely, 2^2220022200 is an apocalyptic number.

2220022200 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 2220022200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3855735360).

2220022200 is an abundant number, since it is smaller than the sum of its proper divisors (5491448520).

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

2220022200 is a wasteful number, since it uses less digits than its factorization.

2220022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158 (or 9149 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2220022200 is about 47117.1115413498. Note that the first 3 decimals coincide. The cubic root of 2220022200 is about 1304.5250984085.

Adding to 2220022200 its reverse (22200222), we get a palindrome (2242222422).

2220022200 divided by its reverse (22200222) gives a square (100 = 10²).

It can be divided in two parts, 2220022 and 200, that added together give a palindrome (2220222).

The spelling of 2220022200 in words is "two billion, two hundred twenty million, twenty-two thousand, two hundred".