228321143846 has 16 divisors (see below), whose sum is σ = 347216931504. Its totient is φ = 112582560384.

The previous prime is 228321143821. The next prime is 228321143851. The reversal of 228321143846 is 648341123822.

It is a junction number, because it is equal to n+sod(n) for n = 228321143797 and 228321143806.

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 7 ways as a sum of consecutive naturals, for example, 1117121 + ... + 1305603.

It is an arithmetic number, because the mean of its divisors is an integer number (21701058219).

Almost surely, 2^228321143846 is an apocalyptic number.

228321143846 is a deficient number, since it is larger than the sum of its proper divisors (118895787658).

228321143846 is a wasteful number, since it uses less digits than its factorization.

228321143846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196855.

The product of its digits is 442368, while the sum is 44.

The spelling of 228321143846 in words is "two hundred twenty-eight billion, three hundred twenty-one million, one hundred forty-three thousand, eight hundred forty-six".