228782082 has 8 divisors (see below), whose sum is σ = 457564176. Its totient is φ = 76260692.

The previous prime is 228782027. The next prime is 228782087. The reversal of 228782082 is 280287822.

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

228782082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 228782082.

It is not an unprimeable number, because it can be changed into a prime (228782087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19065168 + ... + 19065179.

It is an arithmetic number, because the mean of its divisors is an integer number (57195522).

Almost surely, 2^228782082 is an apocalyptic number.

228782082 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.

228782082 is a wasteful number, since it uses less digits than its factorization.

228782082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130352.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 228782082 is about 15125.5440232740. The cubic root of 228782082 is about 611.6091902360.

The spelling of 228782082 in words is "two hundred twenty-eight million, seven hundred eighty-two thousand, eighty-two".