6221339 has 4 divisors (see below), whose sum is σ = 6491856. Its totient is φ = 5950824.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221339 is 9331226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6221339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135224 + ... + 135269.

It is an arithmetic number, because the mean of its divisors is an integer number (1622964).

Almost surely, 2^6221339 is an apocalyptic number.

6221339 is a deficient number, since it is larger than the sum of its proper divisors (270517).

6221339 is a wasteful number, since it uses less digits than its factorization.

6221339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270516.

The product of its digits is 1944, while the sum is 26.

The square root of 6221339 is about 2494.2612132654. The cubic root of 6221339 is about 183.9195753595.

The spelling of 6221339 in words is "six million, two hundred twenty-one thousand, three hundred thirty-nine".