228537683 has 8 divisors (see below), whose sum is σ = 260153856. Its totient is φ = 198728200.

The previous prime is 228537679. The next prime is 228537689. The reversal of 228537683 is 386735822.

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

It is not a de Polignac number, because 228537683 - 2² = 228537679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228537689) 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, 451403 + ... + 451908.

It is an arithmetic number, because the mean of its divisors is an integer number (32519232).

Almost surely, 2^228537683 is an apocalyptic number.

228537683 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

228537683 is a deficient number, since it is larger than the sum of its proper divisors (31616173).

228537683 is a wasteful number, since it uses less digits than its factorization.

228537683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903345.

The product of its digits is 483840, while the sum is 44.

The square root of 228537683 is about 15117.4628493011. The cubic root of 228537683 is about 611.3913265357.

The spelling of 228537683 in words is "two hundred twenty-eight million, five hundred thirty-seven thousand, six hundred eighty-three".