227641 has 4 divisors (see below), whose sum is σ = 228852. Its totient is φ = 226432.

The previous prime is 227629. The next prime is 227651. The reversal of 227641 is 146722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 146722 = 2 ⋅73361.

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 90000 = 371^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 227641 - 2⁵ = 227609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (57213).

2²²⁷⁶⁴¹ is an apocalyptic number.

It is an amenable number.

227641 is a deficient number, since it is larger than the sum of its proper divisors (1211).

227641 is an equidigital number, since it uses as much as digits as its factorization.

227641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210.

The product of its digits is 672, while the sum is 22.

The square root of 227641 is about 477.1173859754. The cubic root of 227641 is about 61.0590666783.

It can be divided in two parts, 227 and 641, that added together give a palindrome (868).

The spelling of 227641 in words is "two hundred twenty-seven thousand, six hundred forty-one".