228652775 has 48 divisors (see below), whose sum is σ = 322271040. Its totient is φ = 160617600.

The previous prime is 228652769. The next prime is 228652811. The reversal of 228652775 is 577256822.

It is not a de Polignac number, because 228652775 - 2⁸ = 228652519 is a prime.

It is a super-3 number, since 3×228652775³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1263185 + ... + 1263365.

It is an arithmetic number, because the mean of its divisors is an integer number (6713980).

Almost surely, 2^228652775 is an apocalyptic number.

228652775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228652775 is a deficient number, since it is larger than the sum of its proper divisors (93618265).

228652775 is a wasteful number, since it uses less digits than its factorization.

228652775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 222 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 228652775 is about 15121.2689613008. The cubic root of 228652775 is about 611.4939419130.

The spelling of 228652775 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, seven hundred seventy-five".