22144011200 has 84 divisors (see below), whose sum is σ = 55017527760. Its totient is φ = 8771543040.

The previous prime is 22144011167. The next prime is 22144011203. The reversal of 22144011200 is 211044122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144011203) 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 11 ways as a sum of consecutive naturals, for example, 97616 + ... + 231984.

Almost surely, 2^22144011200 is an apocalyptic number.

22144011200 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 22144011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27508763880).

22144011200 is an abundant number, since it is smaller than the sum of its proper divisors (32873516560).

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

22144011200 is a wasteful number, since it uses less digits than its factorization.

22144011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134494 (or 134479 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22144011200 its reverse (211044122), we get a palindrome (22355055322).

The spelling of 22144011200 in words is "twenty-two billion, one hundred forty-four million, eleven thousand, two hundred".