3228665 has 16 divisors (see below), whose sum is σ = 4320000. Its totient is φ = 2296320.

The previous prime is 3228661. The next prime is 3228683. The reversal of 3228665 is 5668223.

It is not a de Polignac number, because 3228665 - 2² = 3228661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3228661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^3228665 is an apocalyptic number.

It is an amenable number.

3228665 is a deficient number, since it is larger than the sum of its proper divisors (1091335).

3228665 is a wasteful number, since it uses less digits than its factorization.

3228665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 17280, while the sum is 32.

The square root of 3228665 is about 1796.8486302413. The cubic root of 3228665 is about 147.7999641105.

The spelling of 3228665 in words is "three million, two hundred twenty-eight thousand, six hundred sixty-five".