3442221321 has 32 divisors (see below), whose sum is σ = 5725363200. Its totient is φ = 1787158080.

The previous prime is 3442221287. The next prime is 3442221359. The reversal of 3442221321 is 1231222443.

It is a happy number.

It is not a de Polignac number, because 3442221321 - 2¹⁹ = 3441697033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3442221291 and 3442221300.

It is not an unprimeable number, because it can be changed into a prime (3442221371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 583575 + ... + 589443.

It is an arithmetic number, because the mean of its divisors is an integer number (178917600).

Almost surely, 2^3442221321 is an apocalyptic number.

It is an amenable number.

3442221321 is a deficient number, since it is larger than the sum of its proper divisors (2283141879).

3442221321 is a wasteful number, since it uses less digits than its factorization.

3442221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429.

The product of its digits is 2304, while the sum is 24.

The square root of 3442221321 is about 58670.4467428023. The cubic root of 3442221321 is about 1509.8933189255.

Adding to 3442221321 its reverse (1231222443), we get a palindrome (4673443764).

It can be divided in two parts, 344222 and 1321, that added together give a palindrome (345543).

The spelling of 3442221321 in words is "three billion, four hundred forty-two million, two hundred twenty-one thousand, three hundred twenty-one".