22044044200 has 96 divisors (see below), whose sum is σ = 52963752960. Its totient is φ = 8523820800.

The previous prime is 22044044189. The next prime is 22044044201. The reversal of 22044044200 is 244044022.

It is not an unprimeable number, because it can be changed into a prime (22044044201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9007377 + ... + 9009823.

It is an arithmetic number, because the mean of its divisors is an integer number (551705760).

Almost surely, 2^22044044200 is an apocalyptic number.

22044044200 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 22044044200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26481876480).

22044044200 is an abundant number, since it is smaller than the sum of its proper divisors (30919708760).

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

22044044200 is a wasteful number, since it uses less digits than its factorization.

22044044200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22044044200 its reverse (244044022), we get a palindrome (22288088222).

It can be divided in two parts, 2204 and 4044200, that added together give a palindrome (4046404).

The spelling of 22044044200 in words is "twenty-two billion, forty-four million, forty-four thousand, two hundred".