6221322 has 24 divisors (see below), whose sum is σ = 14189760. Its totient is φ = 1964520.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221322 is 2231226.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6221295 and 6221304.

It is an unprimeable number.

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, 8754 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (591240).

Almost surely, 2^6221322 is an apocalyptic number.

6221322 is an abundant number, since it is smaller than the sum of its proper divisors (7968438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221322 is a wasteful number, since it uses less digits than its factorization.

6221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218 (or 18215 counting only the distinct ones).

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

The square root of 6221322 is about 2494.2578054403. The cubic root of 6221322 is about 183.9194078374.

Adding to 6221322 its reverse (2231226), we get a palindrome (8452548).

The spelling of 6221322 in words is "six million, two hundred twenty-one thousand, three hundred twenty-two".