225727 has 4 divisors (see below), whose sum is σ = 230040. Its totient is φ = 221416.

The previous prime is 225721. The next prime is 225733. The reversal of 225727 is 727522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727522 = 2 ⋅363761.

It is an interprime number because it is at equal distance from previous prime (225721) and next prime (225733).

It is a cyclic number.

It is not a de Polignac number, because 225727 - 2¹¹ = 223679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225721) 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 3 ways as a sum of consecutive naturals, for example, 2077 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (57510).

2²²⁵⁷²⁷ is an apocalyptic number.

225727 is a deficient number, since it is larger than the sum of its proper divisors (4313).

225727 is an equidigital number, since it uses as much as digits as its factorization.

225727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its digits is 1960, while the sum is 25.

The square root of 225727 is about 475.1073562891. The cubic root of 225727 is about 60.8874570962.

The spelling of 225727 in words is "two hundred twenty-five thousand, seven hundred twenty-seven".