228886775 has 24 divisors (see below), whose sum is σ = 306386640. Its totient is φ = 168618240.

The previous prime is 228886771. The next prime is 228886799. The reversal of 228886775 is 577688822.

It is not a de Polignac number, because 228886775 - 2² = 228886771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228886771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239699 + ... + 240651.

It is an arithmetic number, because the mean of its divisors is an integer number (12766110).

Almost surely, 2^228886775 is an apocalyptic number.

228886775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228886775 is a deficient number, since it is larger than the sum of its proper divisors (77499865).

228886775 is a wasteful number, since it uses less digits than its factorization.

228886775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715 (or 1710 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The square root of 228886775 is about 15129.0044285802. The cubic root of 228886775 is about 611.7024688642.

The spelling of 228886775 in words is "two hundred twenty-eight million, eight hundred eighty-six thousand, seven hundred seventy-five".