228481858 has 8 divisors (see below), whose sum is σ = 373879440. Its totient is φ = 103855380.

The previous prime is 228481831. The next prime is 228481867. The reversal of 228481858 is 858184822.

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, 5192748 + ... + 5192791.

It is an arithmetic number, because the mean of its divisors is an integer number (46734930).

Almost surely, 2^228481858 is an apocalyptic number.

228481858 is a deficient number, since it is larger than the sum of its proper divisors (145397582).

228481858 is a wasteful number, since it uses less digits than its factorization.

228481858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10385552.

The product of its digits is 327680, while the sum is 46.

The square root of 228481858 is about 15115.6163618954. The cubic root of 228481858 is about 611.3415408727.

The spelling of 228481858 in words is "two hundred twenty-eight million, four hundred eighty-one thousand, eight hundred fifty-eight".