228828188 has 6 divisors (see below), whose sum is σ = 400449336. Its totient is φ = 114414092.

The previous prime is 228828181. The next prime is 228828217. The reversal of 228828188 is 881828822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228828181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28603520 + ... + 28603527.

It is an arithmetic number, because the mean of its divisors is an integer number (66741556).

Almost surely, 2^228828188 is an apocalyptic number.

It is an amenable number.

228828188 is a deficient number, since it is larger than the sum of its proper divisors (171621148).

228828188 is a wasteful number, since it uses less digits than its factorization.

228828188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57207051 (or 57207049 counting only the distinct ones).

The product of its digits is 262144, while the sum is 47.

The square root of 228828188 is about 15127.0680569633. The cubic root of 228828188 is about 611.6502729394.

The spelling of 228828188 in words is "two hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred eighty-eight".