228343401747 has 18 divisors (see below), whose sum is σ = 344793268092. Its totient is φ = 145610282136.

The previous prime is 228343401721. The next prime is 228343401749. The reversal of 228343401747 is 747104343822.

228343401747 is a `hidden beast` number, since 228 + 34 + 340 + 17 + 47 = 666.

228343401747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228343401747 - 2⁶ = 228343401683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228343401749) 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 17 ways as a sum of consecutive naturals, for example, 23975853 + ... + 23985374.

Almost surely, 2^228343401747 is an apocalyptic number.

228343401747 is a deficient number, since it is larger than the sum of its proper divisors (116449866345).

228343401747 is a wasteful number, since it uses less digits than its factorization.

228343401747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47961279 (or 47961253 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 228343401747 in words is "two hundred twenty-eight billion, three hundred forty-three million, four hundred one thousand, seven hundred forty-seven".