3220442320 has 40 divisors (see below), whose sum is σ = 7511662080. Its totient is φ = 1284024960.

The previous prime is 3220442227. The next prime is 3220442327. The reversal of 3220442320 is 232440223.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3220442291 and 3220442300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220442327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39840 + ... + 89599.

It is an arithmetic number, because the mean of its divisors is an integer number (187791552).

Almost surely, 2^3220442320 is an apocalyptic number.

It is an amenable number.

3220442320 is an abundant number, since it is smaller than the sum of its proper divisors (4291219760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220442320 is a wasteful number, since it uses less digits than its factorization.

3220442320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129763 (or 129757 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3220442320 is about 56748.9411354961. The cubic root of 3220442320 is about 1476.7438641000.

Adding to 3220442320 its reverse (232440223), we get a palindrome (3452882543).

The spelling of 3220442320 in words is "three billion, two hundred twenty million, four hundred forty-two thousand, three hundred twenty".