228947368 has 16 divisors (see below), whose sum is σ = 462297780. Its totient is φ = 105667968.

The previous prime is 228947363. The next prime is 228947371. The reversal of 228947368 is 863749822.

It can be written as a sum of positive squares in 2 ways, for example, as 228674884 + 272484 = 15122^2 + 522^2 .

It is not an unprimeable number, because it can be changed into a prime (228947363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100605 + ... + 1100812.

Almost surely, 2^228947368 is an apocalyptic number.

It is an amenable number.

228947368 is an abundant number, since it is smaller than the sum of its proper divisors (233350412).

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

228947368 is a wasteful number, since it uses less digits than its factorization.

228947368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201436 (or 2201432 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 49.

The square root of 228947368 is about 15131.0068402602. The cubic root of 228947368 is about 611.7564425920.

The spelling of 228947368 in words is "two hundred twenty-eight million, nine hundred forty-seven thousand, three hundred sixty-eight".