3440032221 has 8 divisors (see below), whose sum is σ = 4587090400. Its totient is φ = 2293164432.

The previous prime is 3440032177. The next prime is 3440032241. The reversal of 3440032221 is 1222300443.

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

It is not a de Polignac number, because 3440032221 - 2¹⁸ = 3439770077 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 (3440032241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 82968.

It is an arithmetic number, because the mean of its divisors is an integer number (573386300).

Almost surely, 2^3440032221 is an apocalyptic number.

It is an amenable number.

3440032221 is a deficient number, since it is larger than the sum of its proper divisors (1147058179).

3440032221 is a wasteful number, since it uses less digits than its factorization.

3440032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95195.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3440032221 is about 58651.7878755627. The cubic root of 3440032221 is about 1509.5731760022.

Adding to 3440032221 its reverse (1222300443), we get a palindrome (4662332664).

The spelling of 3440032221 in words is "three billion, four hundred forty million, thirty-two thousand, two hundred twenty-one".