6221542199 has 2 divisors, whose sum is σ = 6221542200. Its totient is φ = 6221542198.

The previous prime is 6221542181. The next prime is 6221542321. The reversal of 6221542199 is 9912451226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6221542199 - 2²⁸ = 5953106743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6221542099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110771099 + 3110771100.

It is an arithmetic number, because the mean of its divisors is an integer number (3110771100).

Almost surely, 2^6221542199 is an apocalyptic number.

6221542199 is a deficient number, since it is larger than the sum of its proper divisors (1).

6221542199 is an equidigital number, since it uses as much as digits as its factorization.

6221542199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 6221542199 is about 78876.7532229871. The cubic root of 6221542199 is about 1839.2157770805.

The spelling of 6221542199 in words is "six billion, two hundred twenty-one million, five hundred forty-two thousand, one hundred ninety-nine".