225720595 has 4 divisors (see below), whose sum is σ = 270864720. Its totient is φ = 180576472.

The previous prime is 225720581. The next prime is 225720623. The reversal of 225720595 is 595027522.

225720595 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225720595 - 2¹¹ = 225718547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22572055 + ... + 22572064.

It is an arithmetic number, because the mean of its divisors is an integer number (67716180).

Almost surely, 2^225720595 is an apocalyptic number.

225720595 is a deficient number, since it is larger than the sum of its proper divisors (45144125).

225720595 is an equidigital number, since it uses as much as digits as its factorization.

225720595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45144124.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 225720595 is about 15024.0006323216. Note that the first 3 decimals coincide. The cubic root of 225720595 is about 608.8688119721.

The spelling of 225720595 in words is "two hundred twenty-five million, seven hundred twenty thousand, five hundred ninety-five".