225831195 has 24 divisors (see below), whose sum is σ = 391809600. Its totient is φ = 120329856.

The previous prime is 225831167. The next prime is 225831197. The reversal of 225831195 is 591138522.

225831195 is a `hidden beast` number, since 2 + 258 + 311 + 95 = 666.

It is not a de Polignac number, because 225831195 - 2⁵ = 225831163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225831197) 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 23 ways as a sum of consecutive naturals, for example, 70846 + ... + 73964.

It is an arithmetic number, because the mean of its divisors is an integer number (16325400).

Almost surely, 2^225831195 is an apocalyptic number.

225831195 is a deficient number, since it is larger than the sum of its proper divisors (165978405).

225831195 is a wasteful number, since it uses less digits than its factorization.

225831195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739 (or 4736 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 225831195 is about 15027.6809588173. The cubic root of 225831195 is about 608.9682415270.

The spelling of 225831195 in words is "two hundred twenty-five million, eight hundred thirty-one thousand, one hundred ninety-five".