22002211200 has 192 divisors, whose sum is σ = 72584974800. Its totient is φ = 5857935360.

The previous prime is 22002211163. The next prime is 22002211247. The reversal of 22002211200 is 211220022.

It is a tau number, because it is divible by the number of its divisors (192).

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

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, 7764984 + ... + 7767816.

Almost surely, 2^22002211200 is an apocalyptic number.

22002211200 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 22002211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36292487400).

22002211200 is an abundant number, since it is smaller than the sum of its proper divisors (50582763600).

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

22002211200 is a wasteful number, since it uses less digits than its factorization.

22002211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22002211200 its reverse (211220022), we get a palindrome (22213431222).

The spelling of 22002211200 in words is "twenty-two billion, two million, two hundred eleven thousand, two hundred".