225864415 has 16 divisors (see below), whose sum is σ = 310888512. Its totient is φ = 154312704.

The previous prime is 225864377. The next prime is 225864433. The reversal of 225864415 is 514468522.

It is not a de Polignac number, because 225864415 - 2²³ = 217475807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1954 + ... + 21343.

It is an arithmetic number, because the mean of its divisors is an integer number (19430532).

Almost surely, 2^225864415 is an apocalyptic number.

225864415 is a deficient number, since it is larger than the sum of its proper divisors (85024097).

225864415 is a wasteful number, since it uses less digits than its factorization.

225864415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23586.

The product of its digits is 76800, while the sum is 37.

The square root of 225864415 is about 15028.7862118003. The cubic root of 225864415 is about 608.9981000136.

The spelling of 225864415 in words is "two hundred twenty-five million, eight hundred sixty-four thousand, four hundred fifteen".