6221099 has 8 divisors (see below), whose sum is σ = 6667920. Its totient is φ = 5783296.

The previous prime is 6221093. The next prime is 6221101. The reversal of 6221099 is 9901226.

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 6221099 - 2²⁰ = 5172523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6221093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^6221099 is an apocalyptic number.

6221099 is a deficient number, since it is larger than the sum of its proper divisors (446821).

6221099 is a wasteful number, since it uses less digits than its factorization.

6221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 6221099 is about 2494.2131023631. The cubic root of 6221099 is about 183.9172103132.

The spelling of 6221099 in words is "six million, two hundred twenty-one thousand, ninety-nine".