3060221 has 6 divisors (see below), whose sum is σ = 3251130. Its totient is φ = 2879936.

The previous prime is 3060209. The next prime is 3060241. The reversal of 3060221 is 1220603.

It can be written as a sum of positive squares in 3 ways, for example, as 657721 + 2402500 = 811^2 + 1550^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3060221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3060196 and 3060205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3060241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5006 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (541855).

Almost surely, 2^3060221 is an apocalyptic number.

It is an amenable number.

3060221 is a deficient number, since it is larger than the sum of its proper divisors (190909).

3060221 is a wasteful number, since it uses less digits than its factorization.

3060221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3060221 is about 1749.3487359586. The cubic root of 3060221 is about 145.1836120252.

Adding to 3060221 its reverse (1220603), we get a palindrome (4280824).

The spelling of 3060221 in words is "three million, sixty thousand, two hundred twenty-one".