22440424100 has 72 divisors (see below), whose sum is σ = 49165290720. Its totient is φ = 8889937920.

The previous prime is 22440424093. The next prime is 22440424109. The reversal of 22440424100 is 142404422.

It is not an unprimeable number, because it can be changed into a prime (22440424109) 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 23 ways as a sum of consecutive naturals, for example, 6489572 + ... + 6493028.

It is an arithmetic number, because the mean of its divisors is an integer number (682851260).

Almost surely, 2^22440424100 is an apocalyptic number.

22440424100 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 22440424100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24582645360).

22440424100 is an abundant number, since it is smaller than the sum of its proper divisors (26724866620).

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

22440424100 is a wasteful number, since it uses less digits than its factorization.

22440424100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22440424100 its reverse (142404422), we get a palindrome (22582828522).

The spelling of 22440424100 in words is "twenty-two billion, four hundred forty million, four hundred twenty-four thousand, one hundred".