225871827 has 8 divisors (see below), whose sum is σ = 301529040. Its totient is φ = 150397920.

The previous prime is 225871817. The next prime is 225871847. The reversal of 225871827 is 728178522.

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

It is not a de Polignac number, because 225871827 - 2⁷ = 225871699 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (225871817) 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 7 ways as a sum of consecutive naturals, for example, 42924 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (37691130).

Almost surely, 2^225871827 is an apocalyptic number.

225871827 is a deficient number, since it is larger than the sum of its proper divisors (75657213).

225871827 is an equidigital number, since it uses as much as digits as its factorization.

225871827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91653.

The product of its digits is 125440, while the sum is 42.

The square root of 225871827 is about 15029.0328032113. The cubic root of 225871827 is about 609.0047615979.

The spelling of 225871827 in words is "two hundred twenty-five million, eight hundred seventy-one thousand, eight hundred twenty-seven".