3201444221 has 8 divisors (see below), whose sum is σ = 3341310144. Its totient is φ = 3061634400.

The previous prime is 3201444157. The next prime is 3201444227. The reversal of 3201444221 is 1224441023.

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

It is a cyclic number.

It is not a de Polignac number, because 3201444221 - 2⁶ = 3201444157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201444227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137585 + ... + 159161.

It is an arithmetic number, because the mean of its divisors is an integer number (417663768).

Almost surely, 2^3201444221 is an apocalyptic number.

It is an amenable number.

3201444221 is a deficient number, since it is larger than the sum of its proper divisors (139865923).

3201444221 is a wasteful number, since it uses less digits than its factorization.

3201444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28051.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3201444221 is about 56581.3062857336. The cubic root of 3201444221 is about 1473.8342559325.

Adding to 3201444221 its reverse (1224441023), we get a palindrome (4425885244).

The spelling of 3201444221 in words is "three billion, two hundred one million, four hundred forty-four thousand, two hundred twenty-one".