3221025116 has 12 divisors (see below), whose sum is σ = 5818626240. Its totient is φ = 1558560480.

The previous prime is 3221025109. The next prime is 3221025131. The reversal of 3221025116 is 6115201223.

It is a junction number, because it is equal to n+sod(n) for n = 3221025091 and 3221025100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12987881 + ... + 12988128.

It is an arithmetic number, because the mean of its divisors is an integer number (484885520).

Almost surely, 2^3221025116 is an apocalyptic number.

It is an amenable number.

3221025116 is a deficient number, since it is larger than the sum of its proper divisors (2597601124).

3221025116 is a wasteful number, since it uses less digits than its factorization.

3221025116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25976044 (or 25976042 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 3221025116 is about 56754.0757655342. The cubic root of 3221025116 is about 1476.8329397010.

Adding to 3221025116 its reverse (6115201223), we get a palindrome (9336226339).

The spelling of 3221025116 in words is "three billion, two hundred twenty-one million, twenty-five thousand, one hundred sixteen".