3224021 has 8 divisors (see below), whose sum is σ = 3293784. Its totient is φ = 3155200.

The previous prime is 3224009. The next prime is 3224027. The reversal of 3224021 is 1204223.

3224021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 940900 + 2283121 = 970^2 + 1511^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3224021 - 2¹⁸ = 2961877 is a prime.

It is a super-2 number, since 2×3224021² = 20788622816882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3223987 and 3224005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13721 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (411723).

Almost surely, 2^3224021 is an apocalyptic number.

It is an amenable number.

3224021 is a deficient number, since it is larger than the sum of its proper divisors (69763).

3224021 is a wasteful number, since it uses less digits than its factorization.

3224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 3224021 is about 1795.5559027777. Note that the first 3 decimals coincide. The cubic root of 3224021 is about 147.7290666564.

Adding to 3224021 its reverse (1204223), we get a palindrome (4428244).

The spelling of 3224021 in words is "three million, two hundred twenty-four thousand, twenty-one".