6227157728 has 24 divisors (see below), whose sum is σ = 13374237240. Its totient is φ = 2830526080.

The previous prime is 6227157721. The next prime is 6227157731. The reversal of 6227157728 is 8277517226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6227157721) 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, 8845043 + ... + 8845746.

It is an arithmetic number, because the mean of its divisors is an integer number (557259885).

Almost surely, 2^6227157728 is an apocalyptic number.

It is an amenable number.

6227157728 is an abundant number, since it is smaller than the sum of its proper divisors (7147079512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6227157728 is a wasteful number, since it uses less digits than its factorization.

6227157728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17690810 (or 17690802 counting only the distinct ones).

The product of its digits is 658560, while the sum is 47.

The square root of 6227157728 is about 78912.3420511646. The cubic root of 6227157728 is about 1839.7689659512.

The spelling of 6227157728 in words is "six billion, two hundred twenty-seven million, one hundred fifty-seven thousand, seven hundred twenty-eight".