228857727 has 16 divisors (see below), whose sum is σ = 348952320. Its totient is φ = 130694592.

The previous prime is 228857719. The next prime is 228857731. The reversal of 228857727 is 727758822.

It is not a de Polignac number, because 228857727 - 2³ = 228857719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228857737) 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 15 ways as a sum of consecutive naturals, for example, 53224 + ... + 57362.

It is an arithmetic number, because the mean of its divisors is an integer number (21809520).

Almost surely, 2^228857727 is an apocalyptic number.

228857727 is a deficient number, since it is larger than the sum of its proper divisors (120094593).

228857727 is a wasteful number, since it uses less digits than its factorization.

228857727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6782.

The product of its digits is 878080, while the sum is 48.

The square root of 228857727 is about 15128.0443878249. The cubic root of 228857727 is about 611.6765907344.

The spelling of 228857727 in words is "two hundred twenty-eight million, eight hundred fifty-seven thousand, seven hundred twenty-seven".