2441918221 has 8 divisors (see below), whose sum is σ = 2502675000. Its totient is φ = 2381218560.

The previous prime is 2441918201. The next prime is 2441918243. The reversal of 2441918221 is 1228191442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2941225 + 2438976996 = 1715^2 + 49386^2 .

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 2441918221 - 2⁵ = 2441918189 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 (2441918201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79905 + ... + 106153.

It is an arithmetic number, because the mean of its divisors is an integer number (312834375).

Almost surely, 2^2441918221 is an apocalyptic number.

It is an amenable number.

2441918221 is a deficient number, since it is larger than the sum of its proper divisors (60756779).

2441918221 is a wasteful number, since it uses less digits than its factorization.

2441918221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559.

The product of its digits is 9216, while the sum is 34.

The square root of 2441918221 is about 49415.7689508116. The cubic root of 2441918221 is about 1346.6157980478.

The spelling of 2441918221 in words is "two billion, four hundred forty-one million, nine hundred eighteen thousand, two hundred twenty-one".