225791005 has 32 divisors (see below), whose sum is σ = 304570368. Its totient is φ = 159297600.

The previous prime is 225790997. The next prime is 225791017. The reversal of 225791005 is 500197522.

It is not a de Polignac number, because 225791005 - 2³ = 225790997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261204 + ... + 262066.

It is an arithmetic number, because the mean of its divisors is an integer number (9517824).

Almost surely, 2^225791005 is an apocalyptic number.

It is an amenable number.

225791005 is a deficient number, since it is larger than the sum of its proper divisors (78779363).

225791005 is a wasteful number, since it uses less digits than its factorization.

225791005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 225791005 is about 15026.3437003151. The cubic root of 225791005 is about 608.9321144165.

The spelling of 225791005 in words is "two hundred twenty-five million, seven hundred ninety-one thousand, five".