4105340221 has 4 divisors (see below), whose sum is σ = 4110941692. Its totient is φ = 4099738752.

The previous prime is 4105340207. The next prime is 4105340237. The reversal of 4105340221 is 1220435014.

4105340221 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2381928025 + 1723412196 = 48805^2 + 41514^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105340221 - 2¹³ = 4105332029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4105340192 and 4105340201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4105340521) 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 3 ways as a sum of consecutive naturals, for example, 2799636 + ... + 2801101.

It is an arithmetic number, because the mean of its divisors is an integer number (1027735423).

Almost surely, 2^4105340221 is an apocalyptic number.

It is an amenable number.

4105340221 is a deficient number, since it is larger than the sum of its proper divisors (5601471).

4105340221 is an equidigital number, since it uses as much as digits as its factorization.

4105340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601470.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4105340221 is about 64072.9289247807. The cubic root of 4105340221 is about 1601.2152513533.

Adding to 4105340221 its reverse (1220435014), we get a palindrome (5325775235).

The spelling of 4105340221 in words is "four billion, one hundred five million, three hundred forty thousand, two hundred twenty-one".