22210222200 has 96 divisors (see below), whose sum is σ = 69140217600. Its totient is φ = 5897906560.

The previous prime is 22210222189. The next prime is 22210222213. The reversal of 22210222200 is 222201222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22210222200.

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 23 ways as a sum of consecutive naturals, for example, 65959 + ... + 220841.

It is an arithmetic number, because the mean of its divisors is an integer number (720210600).

Almost surely, 2^22210222200 is an apocalyptic number.

22210222200 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 22210222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34570108800).

22210222200 is an abundant number, since it is smaller than the sum of its proper divisors (46929995400).

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

22210222200 is a wasteful number, since it uses less digits than its factorization.

22210222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155141 (or 155132 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22210222200 its reverse (222201222), we get a palindrome (22432423422).

It can be divided in two parts, 2221022 and 2200, that added together give a palindrome (2223222).

The spelling of 22210222200 in words is "twenty-two billion, two hundred ten million, two hundred twenty-two thousand, two hundred".