3220116 has 12 divisors (see below), whose sum is σ = 7513632. Its totient is φ = 1073368.

The previous prime is 3220097. The next prime is 3220117. The reversal of 3220116 is 6110223.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3220095 and 3220104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134160 + ... + 134183.

It is an arithmetic number, because the mean of its divisors is an integer number (626136).

Almost surely, 2^3220116 is an apocalyptic number.

It is an amenable number.

3220116 is an abundant number, since it is smaller than the sum of its proper divisors (4293516).

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

3220116 is a wasteful number, since it uses less digits than its factorization.

3220116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268350 (or 268348 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3220116 is about 1794.4681663379. The cubic root of 3220116 is about 147.6693984064.

Adding to 3220116 its reverse (6110223), we get a palindrome (9330339).

The spelling of 3220116 in words is "three million, two hundred twenty thousand, one hundred sixteen".