228075860 has 12 divisors (see below), whose sum is σ = 478959348. Its totient is φ = 91230336.

The previous prime is 228075857. The next prime is 228075899. The reversal of 228075860 is 68570822.

It can be written as a sum of positive squares in 2 ways, for example, as 118287376 + 109788484 = 10876^2 + 10478^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701877 + ... + 5701916.

It is an arithmetic number, because the mean of its divisors is an integer number (39913279).

Almost surely, 2^228075860 is an apocalyptic number.

228075860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228075860 is an abundant number, since it is smaller than the sum of its proper divisors (250883488).

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

228075860 is a wasteful number, since it uses less digits than its factorization.

228075860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403802 (or 11403800 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 228075860 is about 15102.1806372457. The cubic root of 228075860 is about 610.9792209283.

The spelling of 228075860 in words is "two hundred twenty-eight million, seventy-five thousand, eight hundred sixty".