3220302144 has 56 divisors (see below), whose sum is σ = 8637137920. Its totient is φ = 1058724864.

The previous prime is 3220302133. The next prime is 3220302167. The reversal of 3220302144 is 4412030223.

It is a self number, because there is not a number n which added to its sum of digits gives 3220302144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100864 + ... + 128895.

Almost surely, 2^3220302144 is an apocalyptic number.

It is an amenable number.

3220302144 is an abundant number, since it is smaller than the sum of its proper divisors (5416835776).

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

3220302144 is a wasteful number, since it uses less digits than its factorization.

3220302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229847 (or 229837 counting only the distinct ones).

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

The square root of 3220302144 is about 56747.7060681751. The cubic root of 3220302144 is about 1476.7224377418.

Adding to 3220302144 its reverse (4412030223), we get a palindrome (7632332367).

The spelling of 3220302144 in words is "three billion, two hundred twenty million, three hundred two thousand, one hundred forty-four".