221341 has 4 divisors (see below), whose sum is σ = 222300. Its totient is φ = 220384.

The previous prime is 221327. The next prime is 221393. The reversal of 221341 is 143122.

221341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 44100 + 177241 = 210^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 221341 - 2¹¹ = 219293 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105 + ... + 673.

It is an arithmetic number, because the mean of its divisors is an integer number (55575).

2²²¹³⁴¹ is an apocalyptic number.

It is an amenable number.

221341 is a deficient number, since it is larger than the sum of its proper divisors (959).

221341 is an equidigital number, since it uses as much as digits as its factorization.

221341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its digits is 48, while the sum is 13.

The square root of 221341 is about 470.4689150199. The cubic root of 221341 is about 60.4905160099.

Adding to 221341 its reverse (143122), we get a palindrome (364463).

The spelling of 221341 in words is "two hundred twenty-one thousand, three hundred forty-one", and thus it is an iban number.