6326221 has 8 divisors (see below), whose sum is σ = 7264800. Its totient is φ = 5448240.

The previous prime is 6326213. The next prime is 6326233. The reversal of 6326221 is 1226236.

6326221 = 568² + 569² + ... + 586².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6326221 - 2³ = 6326213 is a prime.

It is a Duffinian number.

6326221 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6326192 and 6326201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6326521) 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 7 ways as a sum of consecutive naturals, for example, 14926 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (908100).

Almost surely, 2^6326221 is an apocalyptic number.

It is an amenable number.

6326221 is a deficient number, since it is larger than the sum of its proper divisors (938579).

6326221 is a wasteful number, since it uses less digits than its factorization.

6326221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30299.

The product of its digits is 864, while the sum is 22.

The square root of 6326221 is about 2515.1980041341. The cubic root of 6326221 is about 184.9473529276.

The spelling of 6326221 in words is "six million, three hundred twenty-six thousand, two hundred twenty-one".