228712858 has 8 divisors (see below), whose sum is σ = 374257440. Its totient is φ = 103960380.

The previous prime is 228712837. The next prime is 228712871. The reversal of 228712858 is 858217822.

228712858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 5197998 + ... + 5198041.

It is an arithmetic number, because the mean of its divisors is an integer number (46782180).

Almost surely, 2^228712858 is an apocalyptic number.

228712858 is a deficient number, since it is larger than the sum of its proper divisors (145544582).

228712858 is a wasteful number, since it uses less digits than its factorization.

228712858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396052.

The product of its digits is 143360, while the sum is 43.

The square root of 228712858 is about 15123.2555357635. The cubic root of 228712858 is about 611.5474978967.

The spelling of 228712858 in words is "two hundred twenty-eight million, seven hundred twelve thousand, eight hundred fifty-eight".