228321144064 has 144 divisors (see below), whose sum is σ = 503069966784. Its totient is φ = 102754713600.

The previous prime is 228321144059. The next prime is 228321144083. The reversal of 228321144064 is 460441123822.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 126073719 + ... + 126075529.

It is an arithmetic number, because the mean of its divisors is an integer number (3493541436).

Almost surely, 2^228321144064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228321144064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251534983392).

228321144064 is an abundant number, since it is smaller than the sum of its proper divisors (274748822720).

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

228321144064 is a wasteful number, since it uses less digits than its factorization.

228321144064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2750 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 228321144064 its reverse (460441123822), we get a palindrome (688762267886).

The spelling of 228321144064 in words is "two hundred twenty-eight billion, three hundred twenty-one million, one hundred forty-four thousand, sixty-four".