228141223524 has 36 divisors (see below), whose sum is σ = 610613276364. Its totient is φ = 71573716992.

The previous prime is 228141223501. The next prime is 228141223529. The reversal of 228141223524 is 425322141822.

228141223524 is a `hidden beast` number, since 2 + 2 + 8 + 1 + 4 + 122 + 3 + 524 = 666.

228141223524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180088199424 + 48053024100 = 424368^2 + 219210^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (228141223529) 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 11 ways as a sum of consecutive naturals, for example, 186389277 + ... + 186390500.

It is an arithmetic number, because the mean of its divisors is an integer number (16961479899).

Almost surely, 2^228141223524 is an apocalyptic number.

It is an amenable number.

228141223524 is an abundant number, since it is smaller than the sum of its proper divisors (382472052840).

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

228141223524 is a wasteful number, since it uses less digits than its factorization.

228141223524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372779804 (or 372779799 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The spelling of 228141223524 in words is "two hundred twenty-eight billion, one hundred forty-one million, two hundred twenty-three thousand, five hundred twenty-four".