228325938 has 8 divisors (see below), whose sum is σ = 456651888. Its totient is φ = 76108644.

The previous prime is 228325931. The next prime is 228325939. The reversal of 228325938 is 839523822.

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

228325938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 228325938.

It is not an unprimeable number, because it can be changed into a prime (228325931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19027156 + ... + 19027167.

It is an arithmetic number, because the mean of its divisors is an integer number (57081486).

Almost surely, 2^228325938 is an apocalyptic number.

228325938 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.

228325938 is a wasteful number, since it uses less digits than its factorization.

228325938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38054328.

The product of its digits is 207360, while the sum is 42.

The square root of 228325938 is about 15110.4579017315. The cubic root of 228325938 is about 611.2024458553.

The spelling of 228325938 in words is "two hundred twenty-eight million, three hundred twenty-five thousand, nine hundred thirty-eight".