3264221 has 4 divisors (see below), whose sum is σ = 3456252. Its totient is φ = 3072192.

The previous prime is 3264203. The next prime is 3264227. The reversal of 3264221 is 1224623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224623 = 307 ⋅3989.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 240100 = 1739^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 3264221 - 2¹⁴ = 3247837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3264193 and 3264202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3264227) 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, 95990 + ... + 96023.

It is an arithmetic number, because the mean of its divisors is an integer number (864063).

Almost surely, 2^3264221 is an apocalyptic number.

It is an amenable number.

3264221 is a deficient number, since it is larger than the sum of its proper divisors (192031).

3264221 is a wasteful number, since it uses less digits than its factorization.

3264221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192030.

The product of its digits is 576, while the sum is 20.

The square root of 3264221 is about 1806.7155282446. The cubic root of 3264221 is about 148.3405385831.

Adding to 3264221 its reverse (1224623), we get a palindrome (4488844).

The spelling of 3264221 in words is "three million, two hundred sixty-four thousand, two hundred twenty-one".