228436684 has 24 divisors (see below), whose sum is σ = 483749280. Its totient is φ = 92142336.

The previous prime is 228436673. The next prime is 228436729. The reversal of 228436684 is 486634822.

It is a self number, because there is not a number n which added to its sum of digits gives 228436684.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239479 + ... + 240430.

It is an arithmetic number, because the mean of its divisors is an integer number (20156220).

Almost surely, 2^228436684 is an apocalyptic number.

It is an amenable number.

228436684 is an abundant number, since it is smaller than the sum of its proper divisors (255312596).

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

228436684 is a wasteful number, since it uses less digits than its factorization.

228436684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479937 (or 479935 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The square root of 228436684 is about 15114.1220055946. The cubic root of 228436684 is about 611.3012480120.

The spelling of 228436684 in words is "two hundred twenty-eight million, four hundred thirty-six thousand, six hundred eighty-four".