3220016325 has 72 divisors (see below), whose sum is σ = 5764104288. Its totient is φ = 1585259520.

The previous prime is 3220016321. The next prime is 3220016329. The reversal of 3220016325 is 5236100223.

It is an interprime number because it is at equal distance from previous prime (3220016321) and next prime (3220016329).

It is not a de Polignac number, because 3220016325 - 2² = 3220016321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3220016295 and 3220016304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220016321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1147374 + ... + 1150176.

It is an arithmetic number, because the mean of its divisors is an integer number (80057004).

Almost surely, 2^3220016325 is an apocalyptic number.

It is an amenable number.

3220016325 is a deficient number, since it is larger than the sum of its proper divisors (2544087963).

3220016325 is a wasteful number, since it uses less digits than its factorization.

3220016325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3220016325 is about 56745.1876814237. The cubic root of 3220016325 is about 1476.6787474503.

Adding to 3220016325 its reverse (5236100223), we get a palindrome (8456116548).

The spelling of 3220016325 in words is "three billion, two hundred twenty million, sixteen thousand, three hundred twenty-five".