6238221 has 16 divisors (see below), whose sum is σ = 9469440. Its totient is φ = 3615920.

The previous prime is 6238171. The next prime is 6238241. The reversal of 6238221 is 1228326.

It is not a de Polignac number, because 6238221 - 2⁶ = 6238157 is a prime.

6238221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6238191 and 6238200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6238241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351 + ... + 4868.

It is an arithmetic number, because the mean of its divisors is an integer number (591840).

Almost surely, 2^6238221 is an apocalyptic number.

It is an amenable number.

6238221 is a deficient number, since it is larger than the sum of its proper divisors (3231219).

6238221 is a wasteful number, since it uses less digits than its factorization.

6238221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256.

The product of its digits is 1152, while the sum is 24.

The square root of 6238221 is about 2497.6430889941. The cubic root of 6238221 is about 184.0857842749.

It can be divided in two parts, 62 and 38221, that added together give a palindrome (38283).

The spelling of 6238221 in words is "six million, two hundred thirty-eight thousand, two hundred twenty-one".