225516524438423 has 8 divisors (see below), whose sum is σ = 245571532964400. Its totient is φ = 206280087689088.

The previous prime is 225516524438389. The next prime is 225516524438479. The reversal of 225516524438423 is 324834425615522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225516524438423 - 2²⁰ = 225516523389847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225516524438923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204642943586 + ... + 204642944687.

It is an arithmetic number, because the mean of its divisors is an integer number (30696441620550).

Almost surely, 2^{225516524438423} is an apocalyptic number.

225516524438423 is a deficient number, since it is larger than the sum of its proper divisors (20055008525977).

225516524438423 is a wasteful number, since it uses less digits than its factorization.

225516524438423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409285888321.

The product of its digits is 55296000, while the sum is 56.

The spelling of 225516524438423 in words is "two hundred twenty-five trillion, five hundred sixteen billion, five hundred twenty-four million, four hundred thirty-eight thousand, four hundred twenty-three".