228652687 has 8 divisors (see below), whose sum is σ = 233041536. Its totient is φ = 224305752.

The previous prime is 228652667. The next prime is 228652741. The reversal of 228652687 is 786256822.

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 228652687 - 2¹⁹ = 228128399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228652667) 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, 648 + ... + 21394.

It is an arithmetic number, because the mean of its divisors is an integer number (29130192).

Almost surely, 2^228652687 is an apocalyptic number.

228652687 is a deficient number, since it is larger than the sum of its proper divisors (4388849).

228652687 is a wasteful number, since it uses less digits than its factorization.

228652687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20957.

The product of its digits is 645120, while the sum is 46.

The square root of 228652687 is about 15121.2660514919. The cubic root of 228652687 is about 611.4938634658.

It can be divided in two parts, 22865 and 2687, that added together give a palindrome (25552).

The spelling of 228652687 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, six hundred eighty-seven".