3223216 has 10 divisors (see below), whose sum is σ = 6245012. Its totient is φ = 1611600.

The previous prime is 3223211. The next prime is 3223223. The reversal of 3223216 is 6123223.

It is a junction number, because it is equal to n+sod(n) for n = 3223193 and 3223202.

It is not an unprimeable number, because it can be changed into a prime (3223211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100710 + ... + 100741.

Almost surely, 2^3223216 is an apocalyptic number.

It is an amenable number.

3223216 is a deficient number, since it is larger than the sum of its proper divisors (3021796).

3223216 is a wasteful number, since it uses less digits than its factorization.

3223216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201459 (or 201453 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 3223216 is about 1795.3317242226. The cubic root of 3223216 is about 147.7167702313.

Adding to 3223216 its reverse (6123223), we get a palindrome (9346439).

The spelling of 3223216 in words is "three million, two hundred twenty-three thousand, two hundred sixteen".