43224213344 has 72 divisors (see below), whose sum is σ = 92993836320. Its totient is φ = 19766343168.

The previous prime is 43224213341. The next prime is 43224213367. The reversal of 43224213344 is 44331242234.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 43224213344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43224213341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552809 + ... + 626135.

It is an arithmetic number, because the mean of its divisors is an integer number (1291581060).

Almost surely, 2^43224213344 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 43224213344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46496918160).

43224213344 is an abundant number, since it is smaller than the sum of its proper divisors (49769622976).

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

43224213344 is a wasteful number, since it uses less digits than its factorization.

43224213344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73472 (or 73451 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 43224213344 its reverse (44331242234), we get a palindrome (87555455578).

The spelling of 43224213344 in words is "forty-three billion, two hundred twenty-four million, two hundred thirteen thousand, three hundred forty-four".