22241043220 has 96 divisors (see below), whose sum is σ = 54143945856. Its totient is φ = 7584460800.

The previous prime is 22241043179. The next prime is 22241043221. The reversal of 22241043220 is 2234014222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22241043191 and 22241043200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241043221) 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 31 ways as a sum of consecutive naturals, for example, 1040359 + ... + 1061521.

It is an arithmetic number, because the mean of its divisors is an integer number (563999436).

Almost surely, 2^22241043220 is an apocalyptic number.

22241043220 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 22241043220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27071972928).

22241043220 is an abundant number, since it is smaller than the sum of its proper divisors (31902902636).

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

22241043220 is a wasteful number, since it uses less digits than its factorization.

22241043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21481 (or 21479 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22241043220 its reverse (2234014222), we get a palindrome (24475057442).

The spelling of 22241043220 in words is "twenty-two billion, two hundred forty-one million, forty-three thousand, two hundred twenty".