3223666 has 8 divisors (see below), whose sum is σ = 4953564. Its totient is φ = 1572480.

The previous prime is 3223663. The next prime is 3223687. The reversal of 3223666 is 6663223.

It can be written as a sum of positive squares in 2 ways, for example, as 3080025 + 143641 = 1755^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3223663) 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, 19575 + ... + 19738.

Almost surely, 2^3223666 is an apocalyptic number.

3223666 is a deficient number, since it is larger than the sum of its proper divisors (1729898).

3223666 is a wasteful number, since it uses less digits than its factorization.

3223666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39356.

The product of its digits is 7776, while the sum is 28.

The square root of 3223666 is about 1795.4570448774. The cubic root of 3223666 is about 147.7236442616.

Adding to 3223666 its reverse (6663223), we get a palindrome (9886889).

The spelling of 3223666 in words is "three million, two hundred twenty-three thousand, six hundred sixty-six".