4430440221 has 4 divisors (see below), whose sum is σ = 5907253632. Its totient is φ = 2953626812.

The previous prime is 4430440169. The next prime is 4430440247. The reversal of 4430440221 is 1220440344.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4430440221 - 2¹⁰ = 4430439197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4430440191 and 4430440200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4430440271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738406701 + ... + 738406706.

It is an arithmetic number, because the mean of its divisors is an integer number (1476813408).

Almost surely, 2^4430440221 is an apocalyptic number.

It is an amenable number.

4430440221 is a deficient number, since it is larger than the sum of its proper divisors (1476813411).

4430440221 is a wasteful number, since it uses less digits than its factorization.

4430440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476813410.

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

The square root of 4430440221 is about 66561.5521228284. The cubic root of 4430440221 is about 1642.4126966980.

Adding to 4430440221 its reverse (1220440344), we get a palindrome (5650880565).

The spelling of 4430440221 in words is "four billion, four hundred thirty million, four hundred forty thousand, two hundred twenty-one".