228459856 has 20 divisors (see below), whose sum is σ = 452060352. Its totient is φ = 111799136.

The previous prime is 228459853. The next prime is 228459887. The reversal of 228459856 is 658954822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228459853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151150 + ... + 152653.

Almost surely, 2^228459856 is an apocalyptic number.

It is an amenable number.

228459856 is a deficient number, since it is larger than the sum of its proper divisors (223600496).

228459856 is a wasteful number, since it uses less digits than its factorization.

228459856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303858 (or 303852 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The square root of 228459856 is about 15114.8885540053. Note that the first 3 decimals coincide. The cubic root of 228459856 is about 611.3219168954.

The spelling of 228459856 in words is "two hundred twenty-eight million, four hundred fifty-nine thousand, eight hundred fifty-six".