228318682 has 16 divisors (see below), whose sum is σ = 355573800. Its totient is φ = 109822720.

The previous prime is 228318679. The next prime is 228318719. The reversal of 228318682 is 286813822.

It can be written as a sum of positive squares in 4 ways, for example, as 224070961 + 4247721 = 14969^2 + 2061^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9294 + ... + 23302.

Almost surely, 2^228318682 is an apocalyptic number.

228318682 is a deficient number, since it is larger than the sum of its proper divisors (127255118).

228318682 is a wasteful number, since it uses less digits than its factorization.

228318682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14321.

The product of its digits is 73728, while the sum is 40.

The square root of 228318682 is about 15110.2178012099. The cubic root of 228318682 is about 611.1959712924.

It can be divided in two parts, 22831 and 8682, that added together give a palindrome (31513).

The spelling of 228318682 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred eighty-two".