228501384 has 16 divisors (see below), whose sum is σ = 571253520. Its totient is φ = 76167120.

The previous prime is 228501337. The next prime is 228501409. The reversal of 228501384 is 483105822.

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, 4760422 + ... + 4760469.

It is an arithmetic number, because the mean of its divisors is an integer number (35703345).

Almost surely, 2^228501384 is an apocalyptic number.

228501384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228501384 is an abundant number, since it is smaller than the sum of its proper divisors (342752136).

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

228501384 is a wasteful number, since it uses less digits than its factorization.

228501384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520900 (or 9520896 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 228501384 is about 15116.2622364128. The cubic root of 228501384 is about 611.3589554062.

The spelling of 228501384 in words is "two hundred twenty-eight million, five hundred one thousand, three hundred eighty-four".