6221359 has 4 divisors (see below), whose sum is σ = 6422080. Its totient is φ = 6020640.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221359 is 9531226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9531226 = 2 ⋅4765613.

It is a cyclic number.

It is not a de Polignac number, because 6221359 - 2⁷ = 6221231 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, 100314 + ... + 100375.

It is an arithmetic number, because the mean of its divisors is an integer number (1605520).

Almost surely, 2^6221359 is an apocalyptic number.

6221359 is a deficient number, since it is larger than the sum of its proper divisors (200721).

6221359 is a wasteful number, since it uses less digits than its factorization.

6221359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200720.

The product of its digits is 3240, while the sum is 28.

The square root of 6221359 is about 2494.2652224653. The cubic root of 6221359 is about 183.9197724440.

The spelling of 6221359 in words is "six million, two hundred twenty-one thousand, three hundred fifty-nine".