228171741512 has 108 divisors (see below), whose sum is σ = 509637850155. Its totient is φ = 95655331200.

The previous prime is 228171741433. The next prime is 228171741521. The reversal of 228171741512 is 215147171822.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

228171741512 is digitally balanced in base 3, 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 5 ways, for example, as 137369561956 + 90802179556 = 370634^2 + 301334^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337766.

It is a super-2 number, since 2×228171741512² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228171741512.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 193201562 + ... + 193202742.

Almost surely, 2^228171741512 is an apocalyptic number.

228171741512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228171741512

228171741512 is an abundant number, since it is smaller than the sum of its proper divisors (281466108643).

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

228171741512 is a wasteful number, since it uses less digits than its factorization.

228171741512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 1207 counting only the distinct ones).

The product of its digits is 62720, while the sum is 41.

The spelling of 228171741512 in words is "two hundred twenty-eight billion, one hundred seventy-one million, seven hundred forty-one thousand, five hundred twelve".