3228216 has 32 divisors (see below), whose sum is σ = 8332800. Its totient is φ = 1041120.

The previous prime is 3228209. The next prime is 3228221. The reversal of 3228216 is 6128223.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 1426 + ... + 2913.

It is an arithmetic number, because the mean of its divisors is an integer number (260400).

Almost surely, 2^3228216 is an apocalyptic number.

It is an amenable number.

3228216 is an abundant number, since it is smaller than the sum of its proper divisors (5104584).

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

3228216 is a wasteful number, since it uses less digits than its factorization.

3228216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379 (or 4375 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 3228216 is about 1796.7236849332. The cubic root of 3228216 is about 147.7931124385.

The spelling of 3228216 in words is "three million, two hundred twenty-eight thousand, two hundred sixteen".