22214131200 has 960 divisors, whose sum is σ = 91333440000. Its totient is φ = 5255331840.

The previous prime is 22214131189. The next prime is 22214131223. The reversal of 22214131200 is 213141222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 111628701 + ... + 111628899.

It is an arithmetic number, because the mean of its divisors is an integer number (95139000).

Almost surely, 2^22214131200 is an apocalyptic number.

22214131200 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 22214131200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45666720000).

22214131200 is an abundant number, since it is smaller than the sum of its proper divisors (69119308800).

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

22214131200 is a wasteful number, since it uses less digits than its factorization.

22214131200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22214131200 its reverse (213141222), we get a palindrome (22427272422).

The spelling of 22214131200 in words is "twenty-two billion, two hundred fourteen million, one hundred thirty-one thousand, two hundred".