3421030221 has 20 divisors (see below), whose sum is σ = 5840489952. Its totient is φ = 1954874088.

The previous prime is 3421030213. The next prime is 3421030253. The reversal of 3421030221 is 1220301243.

3421030221 is a `hidden beast` number, since 342 + 1 + 0 + 302 + 21 = 666.

It is not a de Polignac number, because 3421030221 - 2³ = 3421030213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3421030194 and 3421030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421030021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3016215 + ... + 3017348.

Almost surely, 2^3421030221 is an apocalyptic number.

It is an amenable number.

3421030221 is a deficient number, since it is larger than the sum of its proper divisors (2419459731).

3421030221 is an equidigital number, since it uses as much as digits as its factorization.

3421030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6033582 (or 6033573 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3421030221 is about 58489.5736093195. The cubic root of 3421030221 is about 1506.7885229570.

Adding to 3421030221 its reverse (1220301243), we get a palindrome (4641331464).

The spelling of 3421030221 in words is "three billion, four hundred twenty-one million, thirty thousand, two hundred twenty-one".