225163659 has 16 divisors (see below), whose sum is σ = 343758080. Its totient is φ = 128420640.

The previous prime is 225163651. The next prime is 225163733. The reversal of 225163659 is 956361522.

It is not a de Polignac number, because 225163659 - 2³ = 225163651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225163651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 21270.

It is an arithmetic number, because the mean of its divisors is an integer number (21484880).

Almost surely, 2^225163659 is an apocalyptic number.

225163659 is a deficient number, since it is larger than the sum of its proper divisors (118594421).

225163659 is a wasteful number, since it uses less digits than its factorization.

225163659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20370.

The product of its digits is 97200, while the sum is 39.

The square root of 225163659 is about 15005.4543083507. The cubic root of 225163659 is about 608.3676315351.

The spelling of 225163659 in words is "two hundred twenty-five million, one hundred sixty-three thousand, six hundred fifty-nine".