4404705221 has 16 divisors (see below), whose sum is σ = 5075467776. Its totient is φ = 3744375936.

The previous prime is 4404705211. The next prime is 4404705233. The reversal of 4404705221 is 1225074044.

It is not a de Polignac number, because 4404705221 - 2¹⁰ = 4404704197 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 (4404705211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798820 + ... + 1801266.

It is an arithmetic number, because the mean of its divisors is an integer number (317216736).

Almost surely, 2^4404705221 is an apocalyptic number.

It is an amenable number.

4404705221 is a deficient number, since it is larger than the sum of its proper divisors (670762555).

4404705221 is a wasteful number, since it uses less digits than its factorization.

4404705221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 4404705221 is about 66367.9532681248. The cubic root of 4404705221 is about 1639.2264373065.

Adding to 4404705221 its reverse (1225074044), we get a palindrome (5629779265).

The spelling of 4404705221 in words is "four billion, four hundred four million, seven hundred five thousand, two hundred twenty-one".