225275415 has 16 divisors (see below), whose sum is σ = 381643488. Its totient is φ = 113079296.

The previous prime is 225275411. The next prime is 225275429. The reversal of 225275415 is 514572522.

It is a cyclic number.

It is not a de Polignac number, because 225275415 - 2² = 225275411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225275411) 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, 441462 + ... + 441971.

It is an arithmetic number, because the mean of its divisors is an integer number (23852718).

Almost surely, 2^225275415 is an apocalyptic number.

225275415 is a deficient number, since it is larger than the sum of its proper divisors (156368073).

225275415 is a wasteful number, since it uses less digits than its factorization.

225275415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883458.

The product of its digits is 28000, while the sum is 33.

The square root of 225275415 is about 15009.1776923321. The cubic root of 225275415 is about 608.4682657258.

The spelling of 225275415 in words is "two hundred twenty-five million, two hundred seventy-five thousand, four hundred fifteen".