225876815 has 8 divisors (see below), whose sum is σ = 271242000. Its totient is φ = 180574912.

The previous prime is 225876811. The next prime is 225876817. The reversal of 225876815 is 518678522.

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

It is a cyclic number.

It is not a de Polignac number, because 225876815 - 2² = 225876811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225876811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7574 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (33905250).

Almost surely, 2^225876815 is an apocalyptic number.

225876815 is a deficient number, since it is larger than the sum of its proper divisors (45365185).

225876815 is a wasteful number, since it uses less digits than its factorization.

225876815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31641.

The product of its digits is 268800, while the sum is 44.

The square root of 225876815 is about 15029.1987477710. The cubic root of 225876815 is about 609.0092445141.

The spelling of 225876815 in words is "two hundred twenty-five million, eight hundred seventy-six thousand, eight hundred fifteen".