43225040225 has 24 divisors (see below), whose sum is σ = 59219424000. Its totient is φ = 31130865920.

The previous prime is 43225040219. The next prime is 43225040249. The reversal of 43225040225 is 52204052234.

It is not a de Polignac number, because 43225040225 - 2¹⁰ = 43225039201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201225 + ... + 2220774.

It is an arithmetic number, because the mean of its divisors is an integer number (2467476000).

Almost surely, 2^43225040225 is an apocalyptic number.

It is an amenable number.

43225040225 is a deficient number, since it is larger than the sum of its proper divisors (15994383775).

43225040225 is a wasteful number, since it uses less digits than its factorization.

43225040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422049 (or 4422044 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 43225040225 its reverse (52204052234), we get a palindrome (95429092459).

The spelling of 43225040225 in words is "forty-three billion, two hundred twenty-five million, forty thousand, two hundred twenty-five".