3220716 has 24 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 1068880.

The previous prime is 3220703. The next prime is 3220727. The reversal of 3220716 is 6170223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3220692 and 3220701.

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, 3301 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (314496).

Almost surely, 2^3220716 is an apocalyptic number.

It is an amenable number.

3220716 is an abundant number, since it is smaller than the sum of its proper divisors (4327188).

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

3220716 is a wasteful number, since it uses less digits than its factorization.

3220716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 3220716 is about 1794.6353390034. The cubic root of 3220716 is about 147.6785695187.

Adding to 3220716 its reverse (6170223), we get a palindrome (9390939).

It can be divided in two parts, 32207 and 16, that added together give a palindrome (32223).

The spelling of 3220716 in words is "three million, two hundred twenty thousand, seven hundred sixteen".