228237684 has 12 divisors (see below), whose sum is σ = 532554624. Its totient is φ = 76079224.

The previous prime is 228237683. The next prime is 228237697. The reversal of 228237684 is 486732822.

228237684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228237683) 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, 9509892 + ... + 9509915.

It is an arithmetic number, because the mean of its divisors is an integer number (44379552).

Almost surely, 2^228237684 is an apocalyptic number.

It is an amenable number.

228237684 is an abundant number, since it is smaller than the sum of its proper divisors (304316940).

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

228237684 is a wasteful number, since it uses less digits than its factorization.

228237684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19019814 (or 19019812 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 228237684 is about 15107.5373241306. The cubic root of 228237684 is about 611.1236870825.

The spelling of 228237684 in words is "two hundred twenty-eight million, two hundred thirty-seven thousand, six hundred eighty-four".