22200201144 has 128 divisors (see below), whose sum is σ = 67361011200. Its totient is φ = 6718567680.

The previous prime is 22200201143. The next prime is 22200201173. The reversal of 22200201144 is 44110200222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200201143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1949772 + ... + 1961124.

It is an arithmetic number, because the mean of its divisors is an integer number (526257900).

Almost surely, 2^22200201144 is an apocalyptic number.

22200201144 is a gapful number since it is divisible by the number (24) 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 22200201144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33680505600).

22200201144 is an abundant number, since it is smaller than the sum of its proper divisors (45160810056).

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

22200201144 is a wasteful number, since it uses less digits than its factorization.

22200201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202 (or 12192 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22200201144 its reverse (44110200222), we get a palindrome (66310401366).

The spelling of 22200201144 in words is "twenty-two billion, two hundred million, two hundred one thousand, one hundred forty-four".