225798659 has 4 divisors (see below), whose sum is σ = 235616016. Its totient is φ = 215981304.

The previous prime is 225798649. The next prime is 225798691. The reversal of 225798659 is 956897522.

225798659 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 225798659 - 2²⁰ = 224750083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225798659.

It is not an unprimeable number, because it can be changed into a prime (225798649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4908644 + ... + 4908689.

It is an arithmetic number, because the mean of its divisors is an integer number (58904004).

Almost surely, 2^225798659 is an apocalyptic number.

225798659 is a deficient number, since it is larger than the sum of its proper divisors (9817357).

225798659 is an equidigital number, since it uses as much as digits as its factorization.

225798659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817356.

The product of its digits is 2721600, while the sum is 53.

The square root of 225798659 is about 15026.5983841986. The cubic root of 225798659 is about 608.9389949884.

The spelling of 225798659 in words is "two hundred twenty-five million, seven hundred ninety-eight thousand, six hundred fifty-nine".