228682531 has 8 divisors (see below), whose sum is σ = 285110784. Its totient is φ = 178194120.

The previous prime is 228682529. The next prime is 228682541. The reversal of 228682531 is 135286822.

228682531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228682531 - 2¹ = 228682529 is a prime.

It is a super-2 number, since 2×228682531² = 104591399969131922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228682511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484875 + ... + 1485028.

It is an arithmetic number, because the mean of its divisors is an integer number (35638848).

Almost surely, 2^228682531 is an apocalyptic number.

228682531 is a deficient number, since it is larger than the sum of its proper divisors (56428253).

228682531 is a wasteful number, since it uses less digits than its factorization.

228682531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969921.

The product of its digits is 46080, while the sum is 37.

The square root of 228682531 is about 15122.2528414254. The cubic root of 228682531 is about 611.5204665921.

The spelling of 228682531 in words is "two hundred twenty-eight million, six hundred eighty-two thousand, five hundred thirty-one".