228318672 has 40 divisors (see below), whose sum is σ = 599827680. Its totient is φ = 74815360.

The previous prime is 228318659. The next prime is 228318679. The reversal of 228318672 is 276813822.

It is a self number, because there is not a number n which added to its sum of digits gives 228318672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228318679) 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, 37479 + ... + 43142.

It is an arithmetic number, because the mean of its divisors is an integer number (14995692).

Almost surely, 2^228318672 is an apocalyptic number.

It is an amenable number.

228318672 is an abundant number, since it is smaller than the sum of its proper divisors (371509008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228318672 is a wasteful number, since it uses less digits than its factorization.

228318672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80691 (or 80685 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 228318672 is about 15110.2174703080. The cubic root of 228318672 is about 611.1959623693.

The spelling of 228318672 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred seventy-two".