22024144220 has 72 divisors (see below), whose sum is σ = 50931432720. Its totient is φ = 7994088960.

The previous prime is 22024144213. The next prime is 22024144231. The reversal of 22024144220 is 2244142022.

It is a congruent number.

It is an unprimeable number.

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, 144200 + ... + 254640.

It is an arithmetic number, because the mean of its divisors is an integer number (707381010).

Almost surely, 2^22024144220 is an apocalyptic number.

22024144220 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 22024144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25465716360).

22024144220 is an abundant number, since it is smaller than the sum of its proper divisors (28907288500).

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

22024144220 is a wasteful number, since it uses less digits than its factorization.

22024144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110535 (or 110520 counting only the distinct ones).

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

Adding to 22024144220 its reverse (2244142022), we get a palindrome (24268286242).

The spelling of 22024144220 in words is "twenty-two billion, twenty-four million, one hundred forty-four thousand, two hundred twenty".