228144782 has 8 divisors (see below), whose sum is σ = 347325096. Its totient is φ = 112369752.

The previous prime is 228144781. The next prime is 228144803. The reversal of 228144782 is 287441822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228144781) 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, 851153 + ... + 851420.

It is an arithmetic number, because the mean of its divisors is an integer number (43415637).

Almost surely, 2^228144782 is an apocalyptic number.

228144782 is a deficient number, since it is larger than the sum of its proper divisors (119180314).

228144782 is a wasteful number, since it uses less digits than its factorization.

228144782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702642.

The product of its digits is 57344, while the sum is 38.

The square root of 228144782 is about 15104.4623207845. The cubic root of 228144782 is about 611.0407584490.

The spelling of 228144782 in words is "two hundred twenty-eight million, one hundred forty-four thousand, seven hundred eighty-two".