6228687 has 4 divisors (see below), whose sum is σ = 8304920. Its totient is φ = 4152456.

The previous prime is 6228683. The next prime is 6228709. The reversal of 6228687 is 7868226.

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

It is not a de Polignac number, because 6228687 - 2² = 6228683 is a prime.

It is a D-number.

It is a Duffinian number.

6228687 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228683) 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, 1038112 + ... + 1038117.

It is an arithmetic number, because the mean of its divisors is an integer number (2076230).

Almost surely, 2^6228687 is an apocalyptic number.

6228687 is a deficient number, since it is larger than the sum of its proper divisors (2076233).

6228687 is a wasteful number, since it uses less digits than its factorization.

6228687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076232.

The product of its digits is 64512, while the sum is 39.

The square root of 6228687 is about 2495.7337598390. The cubic root of 6228687 is about 183.9919557762.

The spelling of 6228687 in words is "six million, two hundred twenty-eight thousand, six hundred eighty-seven".