43225143522 has 64 divisors (see below), whose sum is σ = 95542761600. Its totient is φ = 12928204800.

The previous prime is 43225143473. The next prime is 43225143529. The reversal of 43225143522 is 22534152234.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (43225143529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1785354 + ... + 1809402.

It is an arithmetic number, because the mean of its divisors is an integer number (1492855650).

Almost surely, 2^43225143522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43225143522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47771380800).

43225143522 is an abundant number, since it is smaller than the sum of its proper divisors (52317618078).

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

43225143522 is a wasteful number, since it uses less digits than its factorization.

43225143522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24419.

The product of its digits is 57600, while the sum is 33.

Adding to 43225143522 its reverse (22534152234), we get a palindrome (65759295756).

The spelling of 43225143522 in words is "forty-three billion, two hundred twenty-five million, one hundred forty-three thousand, five hundred twenty-two".