228534398 has 8 divisors (see below), whose sum is σ = 350095392. Its totient is φ = 111835936.

The previous prime is 228534391. The next prime is 228534403. The reversal of 228534398 is 893435822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228534391) 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, 1215515 + ... + 1215702.

It is an arithmetic number, because the mean of its divisors is an integer number (43761924).

Almost surely, 2^228534398 is an apocalyptic number.

228534398 is a deficient number, since it is larger than the sum of its proper divisors (121560994).

228534398 is a wasteful number, since it uses less digits than its factorization.

228534398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431266.

The product of its digits is 414720, while the sum is 44.

The square root of 228534398 is about 15117.3541997269. The cubic root of 228534398 is about 611.3883971426.

The spelling of 228534398 in words is "two hundred twenty-eight million, five hundred thirty-four thousand, three hundred ninety-eight".