228831583 has 8 divisors (see below), whose sum is σ = 230620320. Its totient is φ = 227048160.

The previous prime is 228831563. The next prime is 228831593. The reversal of 228831583 is 385138822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228831583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228831523) 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 7 ways as a sum of consecutive naturals, for example, 136273 + ... + 137941.

It is an arithmetic number, because the mean of its divisors is an integer number (28827540).

Almost surely, 2^228831583 is an apocalyptic number.

228831583 is a deficient number, since it is larger than the sum of its proper divisors (1788737).

228831583 is a wasteful number, since it uses less digits than its factorization.

228831583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its digits is 92160, while the sum is 40.

The square root of 228831583 is about 15127.1802726086. The cubic root of 228831583 is about 611.6532978325.

The spelling of 228831583 in words is "two hundred twenty-eight million, eight hundred thirty-one thousand, five hundred eighty-three".