3010221 has 12 divisors (see below), whose sum is σ = 4373148. Its totient is φ = 1995264.

The previous prime is 3010219. The next prime is 3010279. The reversal of 3010221 is 1220103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1022121 + 1988100 = 1011^2 + 1410^2 .

It is not a de Polignac number, because 3010221 - 2¹ = 3010219 is a prime.

It is a super-2 number, since 2×3010221² = 18122860937682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3010291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (364429).

Almost surely, 2^3010221 is an apocalyptic number.

It is an amenable number.

3010221 is a deficient number, since it is larger than the sum of its proper divisors (1362927).

3010221 is a wasteful number, since it uses less digits than its factorization.

3010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 3010221 is about 1734.9988472619. The cubic root of 3010221 is about 144.3885628457.

Adding to 3010221 its reverse (1220103), we get a palindrome (4230324).

The spelling of 3010221 in words is "three million, ten thousand, two hundred twenty-one".