228125873 has 8 divisors (see below), whose sum is σ = 242585928. Its totient is φ = 213781504.

The previous prime is 228125857. The next prime is 228125881. The reversal of 228125873 is 378521822.

It can be written as a sum of positive squares in 4 ways, for example, as 10061584 + 218064289 = 3172^2 + 14767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228125873 - 2⁴ = 228125857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228125813) 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, 24836 + ... + 32757.

It is an arithmetic number, because the mean of its divisors is an integer number (30323241).

Almost surely, 2^228125873 is an apocalyptic number.

It is an amenable number.

228125873 is a deficient number, since it is larger than the sum of its proper divisors (14460055).

228125873 is a wasteful number, since it uses less digits than its factorization.

228125873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57843.

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

The square root of 228125873 is about 15103.8363669632. The cubic root of 228125873 is about 611.0238766415.

The spelling of 228125873 in words is "two hundred twenty-eight million, one hundred twenty-five thousand, eight hundred seventy-three".