225568771 has 8 divisors (see below), whose sum is σ = 226826064. Its totient is φ = 224315520.

The previous prime is 225568753. The next prime is 225568781. The reversal of 225568771 is 177865522.

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

It is a cyclic number.

It is not a de Polignac number, because 225568771 - 2¹¹ = 225566723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225568711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237720 + ... + 238666.

It is an arithmetic number, because the mean of its divisors is an integer number (28353258).

Almost surely, 2^225568771 is an apocalyptic number.

225568771 is a deficient number, since it is larger than the sum of its proper divisors (1257293).

225568771 is an equidigital number, since it uses as much as digits as its factorization.

225568771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its digits is 235200, while the sum is 43.

The square root of 225568771 is about 15018.9470669551. The cubic root of 225568771 is about 608.7322690747.

The spelling of 225568771 in words is "two hundred twenty-five million, five hundred sixty-eight thousand, seven hundred seventy-one".