228602238 has 8 divisors (see below), whose sum is σ = 457204488. Its totient is φ = 76200744.

The previous prime is 228602203. The next prime is 228602249. The reversal of 228602238 is 832206822.

228602238 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.

228602238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 228602199 and 228602208.

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, 19050181 + ... + 19050192.

It is an arithmetic number, because the mean of its divisors is an integer number (57150561).

Almost surely, 2^228602238 is an apocalyptic number.

228602238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228602238 is a wasteful number, since it uses less digits than its factorization.

228602238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38100378.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 228602238 is about 15119.5978121113. The cubic root of 228602238 is about 611.4488876506.

The spelling of 228602238 in words is "two hundred twenty-eight million, six hundred two thousand, two hundred thirty-eight".