228067928 has 16 divisors (see below), whose sum is σ = 466502760. Its totient is φ = 103667200.

The previous prime is 228067921. The next prime is 228067967. The reversal of 228067928 is 829760822.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228067921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295753 + ... + 1295928.

Almost surely, 2^228067928 is an apocalyptic number.

It is an amenable number.

228067928 is an abundant number, since it is smaller than the sum of its proper divisors (238434832).

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

228067928 is a wasteful number, since it uses less digits than its factorization.

228067928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591698 (or 2591694 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 228067928 is about 15101.9180238803. The cubic root of 228067928 is about 610.9721379877.

The spelling of 228067928 in words is "two hundred twenty-eight million, sixty-seven thousand, nine hundred twenty-eight".