43223312225 has 12 divisors (see below), whose sum is σ = 53611878144. Its totient is φ = 34568991120.

The previous prime is 43223312219. The next prime is 43223312239. The reversal of 43223312225 is 52221332234.

It is not a de Polignac number, because 43223312225 - 2⁶ = 43223312161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149489 + ... + 329838.

It is an arithmetic number, because the mean of its divisors is an integer number (4467656512).

Almost surely, 2^43223312225 is an apocalyptic number.

It is an amenable number.

43223312225 is a deficient number, since it is larger than the sum of its proper divisors (10388565919).

43223312225 is a wasteful number, since it uses less digits than its factorization.

43223312225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482944 (or 482939 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

Adding to 43223312225 its reverse (52221332234), we get a palindrome (95444644459).

The spelling of 43223312225 in words is "forty-three billion, two hundred twenty-three million, three hundred twelve thousand, two hundred twenty-five".