228551371120 has 20 divisors (see below), whose sum is σ = 531381938040. Its totient is φ = 91420548416.

The previous prime is 228551371099. The next prime is 228551371121. The reversal of 228551371120 is 21173155822.

228551371120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 228551371120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228551371121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428445990 + ... + 1428446149.

It is an arithmetic number, because the mean of its divisors is an integer number (26569096902).

Almost surely, 2^228551371120 is an apocalyptic number.

228551371120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228551371120 is an abundant number, since it is smaller than the sum of its proper divisors (302830566920).

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

228551371120 is a wasteful number, since it uses less digits than its factorization.

228551371120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856892152 (or 2856892146 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 228551371120 in words is "two hundred twenty-eight billion, five hundred fifty-one million, three hundred seventy-one thousand, one hundred twenty".