22044052800 has 1260 divisors, whose sum is σ = 103217557344. Its totient is φ = 4483123200.

The previous prime is 22044052759. The next prime is 22044052801. The reversal of 22044052800 is 825044022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1260).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044052801) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 469022377 + ... + 469022423.

Almost surely, 2^22044052800 is an apocalyptic number.

22044052800 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 22044052800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51608778672).

22044052800 is an abundant number, since it is smaller than the sum of its proper divisors (81173504544).

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

22044052800 is a wasteful number, since it uses less digits than its factorization.

22044052800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 22044052800 its reverse (825044022), we get a palindrome (22869096822).

The spelling of 22044052800 in words is "twenty-two billion, forty-four million, fifty-two thousand, eight hundred".