228305080 has 32 divisors (see below), whose sum is σ = 530259840. Its totient is φ = 88375680.

The previous prime is 228305071. The next prime is 228305089. The reversal of 228305080 is 80503822.

It is an interprime number because it is at equal distance from previous prime (228305071) and next prime (228305089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228305089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90819 + ... + 93298.

It is an arithmetic number, because the mean of its divisors is an integer number (16570620).

Almost surely, 2^228305080 is an apocalyptic number.

228305080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228305080 is an abundant number, since it is smaller than the sum of its proper divisors (301954760).

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

228305080 is a wasteful number, since it uses less digits than its factorization.

228305080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184159 (or 184155 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 228305080 is about 15109.7677017220. The cubic root of 228305080 is about 611.1838337943.

The spelling of 228305080 in words is "two hundred twenty-eight million, three hundred five thousand, eighty".