4810221 has 12 divisors (see below), whose sum is σ = 7482748. Its totient is φ = 2960064.

The previous prime is 4810217. The next prime is 4810229. The reversal of 4810221 is 1220184.

It can be written as a sum of positive squares in 2 ways, for example, as 2205225 + 2604996 = 1485^2 + 1614^2 .

It is not a de Polignac number, because 4810221 - 2² = 4810217 is a prime.

It is a super-3 number, since 3×4810221³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4810194 and 4810203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4810229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20440 + ... + 20673.

Almost surely, 2^4810221 is an apocalyptic number.

It is an amenable number.

4810221 is a deficient number, since it is larger than the sum of its proper divisors (2672527).

4810221 is a wasteful number, since it uses less digits than its factorization.

4810221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41132 (or 41129 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4810221 is about 2193.2216030306. The cubic root of 4810221 is about 168.8061804712.

The spelling of 4810221 in words is "four million, eight hundred ten thousand, two hundred twenty-one".