228873880 has 32 divisors (see below), whose sum is σ = 517572000. Its totient is φ = 91086336.

The previous prime is 228873877. The next prime is 228873889. The reversal of 228873880 is 88378822.

It is a self number, because there is not a number n which added to its sum of digits gives 228873880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228873889) 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 in 7 ways as a sum of consecutive naturals, for example, 6417 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (16174125).

Almost surely, 2^228873880 is an apocalyptic number.

228873880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228873880 is an abundant number, since it is smaller than the sum of its proper divisors (288698120).

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

228873880 is a wasteful number, since it uses less digits than its factorization.

228873880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28963 (or 28959 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 228873880 is about 15128.5782544164. The cubic root of 228873880 is about 611.6909813045.

The spelling of 228873880 in words is "two hundred twenty-eight million, eight hundred seventy-three thousand, eight hundred eighty".