4430340221 has 4 divisors (see below), whose sum is σ = 4464159744. Its totient is φ = 4396520700.

The previous prime is 4430340209. The next prime is 4430340241. The reversal of 4430340221 is 1220430344.

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 4430340221 - 2³⁰ = 3356598397 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 (4430340241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16909565 + ... + 16909826.

It is an arithmetic number, because the mean of its divisors is an integer number (1116039936).

Almost surely, 2^4430340221 is an apocalyptic number.

It is an amenable number.

4430340221 is a deficient number, since it is larger than the sum of its proper divisors (33819523).

4430340221 is a wasteful number, since it uses less digits than its factorization.

4430340221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819522.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4430340221 is about 66560.8009341835. The cubic root of 4430340221 is about 1642.4003395734.

Adding to 4430340221 its reverse (1220430344), we get a palindrome (5650770565).

The spelling of 4430340221 in words is "four billion, four hundred thirty million, three hundred forty thousand, two hundred twenty-one".