6241221 has 24 divisors (see below), whose sum is σ = 10385024. Its totient is φ = 3538080.

The previous prime is 6241219. The next prime is 6241229. The reversal of 6241221 is 1221426.

It is not a de Polignac number, because 6241221 - 2¹ = 6241219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6241194 and 6241203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6241229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9576 + ... + 10206.

Almost surely, 2^6241221 is an apocalyptic number.

It is an amenable number.

6241221 is a deficient number, since it is larger than the sum of its proper divisors (4143803).

6241221 is a wasteful number, since it uses less digits than its factorization.

6241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 6241221 is about 2498.2435829999. The cubic root of 6241221 is about 184.1152888857.

Adding to 6241221 its reverse (1221426), we get a palindrome (7462647).

The spelling of 6241221 in words is "six million, two hundred forty-one thousand, two hundred twenty-one".