43224144220 has 48 divisors (see below), whose sum is σ = 93471791616. Its totient is φ = 16779584000.

The previous prime is 43224144209. The next prime is 43224144233. The reversal of 43224144220 is 2244142234.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18630 + ... + 294610.

It is an arithmetic number, because the mean of its divisors is an integer number (1947328992).

Almost surely, 2^43224144220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43224144220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46735895808).

43224144220 is an abundant number, since it is smaller than the sum of its proper divisors (50247647396).

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

43224144220 is a wasteful number, since it uses less digits than its factorization.

43224144220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276222 (or 276220 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 43224144220 its reverse (2244142234), we get a palindrome (45468286454).

The spelling of 43224144220 in words is "forty-three billion, two hundred twenty-four million, one hundred forty-four thousand, two hundred twenty".