4404340221 has 16 divisors (see below), whose sum is σ = 6068095488. Its totient is φ = 2838600000.

The previous prime is 4404340211. The next prime is 4404340267. The reversal of 4404340221 is 1220434044.

It is a happy number.

It is not a de Polignac number, because 4404340221 - 2⁵ = 4404340189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4404340191 and 4404340200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404340211) 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 15 ways as a sum of consecutive naturals, for example, 68971 + ... + 116471.

It is an arithmetic number, because the mean of its divisors is an integer number (379255968).

Almost surely, 2^4404340221 is an apocalyptic number.

It is an amenable number.

4404340221 is a deficient number, since it is larger than the sum of its proper divisors (1663755267).

4404340221 is a wasteful number, since it uses less digits than its factorization.

4404340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48532.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4404340221 is about 66365.2033900296. The cubic root of 4404340221 is about 1639.1811573807.

Adding to 4404340221 its reverse (1220434044), we get a palindrome (5624774265).

The spelling of 4404340221 in words is "four billion, four hundred four million, three hundred forty thousand, two hundred twenty-one".