3260221 has 4 divisors (see below), whose sum is σ = 3264352. Its totient is φ = 3256092.

The previous prime is 3260219. The next prime is 3260237. The reversal of 3260221 is 1220623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3260221 - 2¹ = 3260219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3260195 and 3260204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260261) 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, 471 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (816088).

Almost surely, 2^3260221 is an apocalyptic number.

It is an amenable number.

3260221 is a deficient number, since it is larger than the sum of its proper divisors (4131).

3260221 is a wasteful number, since it uses less digits than its factorization.

3260221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3260221 is about 1805.6082077793. The cubic root of 3260221 is about 148.2799212934.

Adding to 3260221 its reverse (1220623), we get a palindrome (4480844).

It can be divided in two parts, 32602 and 21, that added together give a palindrome (32623).

The spelling of 3260221 in words is "three million, two hundred sixty thousand, two hundred twenty-one".