225876885 has 32 divisors (see below), whose sum is σ = 392810880. Its totient is φ = 110170368.

The previous prime is 225876869. The next prime is 225876887. The reversal of 225876885 is 588678522.

225876885 is a nontrivial binomial coefficient, being equal to C(21255, 2).

It is not a de Polignac number, because 225876885 - 2⁴ = 225876869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225876887) 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 31 ways as a sum of consecutive naturals, for example, 15942 + ... + 26568.

It is an arithmetic number, because the mean of its divisors is an integer number (12275340).

Almost surely, 2^225876885 is an apocalyptic number.

225876885 is the 21254-th triangular number.

It is an amenable number.

225876885 is a deficient number, since it is larger than the sum of its proper divisors (166933995).

225876885 is a wasteful number, since it uses less digits than its factorization.

225876885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757.

The product of its digits is 2150400, while the sum is 51.

The square root of 225876885 is about 15029.2010765709. The cubic root of 225876885 is about 609.0093074254.

The spelling of 225876885 in words is "two hundred twenty-five million, eight hundred seventy-six thousand, eight hundred eighty-five".