3224665 has 4 divisors (see below), whose sum is σ = 3869604. Its totient is φ = 2579728.

The previous prime is 3224647. The next prime is 3224677. The reversal of 3224665 is 5664223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 1545049 = 1296^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 3224665 - 2⁷ = 3224537 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322462 + ... + 322471.

It is an arithmetic number, because the mean of its divisors is an integer number (967401).

Almost surely, 2^3224665 is an apocalyptic number.

It is an amenable number.

3224665 is a deficient number, since it is larger than the sum of its proper divisors (644939).

3224665 is an equidigital number, since it uses as much as digits as its factorization.

3224665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644938.

The product of its digits is 8640, while the sum is 28.

The square root of 3224665 is about 1795.7352254717. The cubic root of 3224665 is about 147.7389023228.

Adding to 3224665 its reverse (5664223), we get a palindrome (8888888).

The spelling of 3224665 in words is "three million, two hundred twenty-four thousand, six hundred sixty-five".