228784602 has 8 divisors (see below), whose sum is σ = 457569216. Its totient is φ = 76261532.

The previous prime is 228784601. The next prime is 228784613. The reversal of 228784602 is 206487822.

It is a sphenic number, since it is the product of 3 distinct primes.

228784602 is an admirable number.

It is a super-2 number, since 2×228784602² = 104684788224596808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228784601) 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 3 ways as a sum of consecutive naturals, for example, 19065378 + ... + 19065389.

It is an arithmetic number, because the mean of its divisors is an integer number (57196152).

Almost surely, 2^228784602 is an apocalyptic number.

228784602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228784602 is a wasteful number, since it uses less digits than its factorization.

228784602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130772.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 228784602 is about 15125.6273258335. The cubic root of 228784602 is about 611.6114358220.

The spelling of 228784602 in words is "two hundred twenty-eight million, seven hundred eighty-four thousand, six hundred two".