6220418287 has 4 divisors (see below), whose sum is σ = 6490871280. Its totient is φ = 5949965296.

The previous prime is 6220418263. The next prime is 6220418291. The reversal of 6220418287 is 7828140226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7828140226 = 2 ⋅3914070113.

It is a cyclic number.

It is not a de Polignac number, because 6220418287 - 2⁷ = 6220418159 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 (6220418387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135226462 + ... + 135226507.

It is an arithmetic number, because the mean of its divisors is an integer number (1622717820).

Almost surely, 2^6220418287 is an apocalyptic number.

6220418287 is a deficient number, since it is larger than the sum of its proper divisors (270452993).

6220418287 is a wasteful number, since it uses less digits than its factorization.

6220418287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270452992.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 6220418287 is about 78869.6284193098. The cubic root of 6220418287 is about 1839.1050199133.

The spelling of 6220418287 in words is "six billion, two hundred twenty million, four hundred eighteen thousand, two hundred eighty-seven".