22205502200 has 96 divisors (see below), whose sum is σ = 59576424960. Its totient is φ = 7539350400.

The previous prime is 22205502181. The next prime is 22205502203. The reversal of 22205502200 is 220550222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205502203) by changing a digit.

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, 67205 + ... + 221195.

It is an arithmetic number, because the mean of its divisors is an integer number (620587760).

Almost surely, 2^22205502200 is an apocalyptic number.

22205502200 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 22205502200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29788212480).

22205502200 is an abundant number, since it is smaller than the sum of its proper divisors (37370922760).

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

22205502200 is a wasteful number, since it uses less digits than its factorization.

22205502200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154117 (or 154108 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The spelling of 22205502200 in words is "twenty-two billion, two hundred five million, five hundred two thousand, two hundred".