4221440441 has 8 divisors (see below), whose sum is σ = 4239172224. Its totient is φ = 4203725040.

The previous prime is 4221440417. The next prime is 4221440453. The reversal of 4221440441 is 1440441224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4221440441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4221440441.

It is not an unprimeable number, because it can be changed into a prime (4221440471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983486 + ... + 987768.

It is an arithmetic number, because the mean of its divisors is an integer number (529896528).

Almost surely, 2^4221440441 is an apocalyptic number.

It is an amenable number.

4221440441 is a deficient number, since it is larger than the sum of its proper divisors (17731783).

4221440441 is a wasteful number, since it uses less digits than its factorization.

4221440441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191.

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 4221440441 is about 64972.6130073279. The cubic root of 4221440441 is about 1616.1694336824.

Adding to 4221440441 its reverse (1440441224), we get a palindrome (5661881665).

The spelling of 4221440441 in words is "four billion, two hundred twenty-one million, four hundred forty thousand, four hundred forty-one".