228664382 has 8 divisors (see below), whose sum is σ = 363172896. Its totient is φ = 107606752.

The previous prime is 228664379. The next prime is 228664393. The reversal of 228664382 is 283466822.

228664382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3362678 + ... + 3362745.

It is an arithmetic number, because the mean of its divisors is an integer number (45396612).

Almost surely, 2^228664382 is an apocalyptic number.

228664382 is a deficient number, since it is larger than the sum of its proper divisors (134508514).

228664382 is a wasteful number, since it uses less digits than its factorization.

228664382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725442.

The product of its digits is 221184, while the sum is 41.

The square root of 228664382 is about 15121.6527535848. The cubic root of 228664382 is about 611.5042887370.

The spelling of 228664382 in words is "two hundred twenty-eight million, six hundred sixty-four thousand, three hundred eighty-two".