225965859 has 8 divisors (see below), whose sum is σ = 344328960. Its totient is φ = 129123336.

The previous prime is 225965849. The next prime is 225965891. The reversal of 225965859 is 958569522.

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

It is not a de Polignac number, because 225965859 - 2⁴ = 225965843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225965849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5380119 + ... + 5380160.

It is an arithmetic number, because the mean of its divisors is an integer number (43041120).

Almost surely, 2^225965859 is an apocalyptic number.

225965859 is a deficient number, since it is larger than the sum of its proper divisors (118363101).

225965859 is a wasteful number, since it uses less digits than its factorization.

225965859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10760289.

The product of its digits is 1944000, while the sum is 51.

The square root of 225965859 is about 15032.1608227161. The cubic root of 225965859 is about 609.0892608345.

The spelling of 225965859 in words is "two hundred twenty-five million, nine hundred sixty-five thousand, eight hundred fifty-nine".