228089860 has 24 divisors (see below), whose sum is σ = 480767616. Its totient is φ = 90897120.

The previous prime is 228089821. The next prime is 228089881. The reversal of 228089860 is 68980822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15622 + ... + 26461.

It is an arithmetic number, because the mean of its divisors is an integer number (20031984).

Almost surely, 2^228089860 is an apocalyptic number.

228089860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228089860 is an abundant number, since it is smaller than the sum of its proper divisors (252677756).

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

228089860 is a wasteful number, since it uses less digits than its factorization.

228089860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42363 (or 42361 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 228089860 is about 15102.6441393552. The cubic root of 228089860 is about 610.9917219358.

The spelling of 228089860 in words is "two hundred twenty-eight million, eighty-nine thousand, eight hundred sixty".