228217618743 has 8 divisors (see below), whose sum is σ = 308141932800. Its totient is φ = 150219191928.

The previous prime is 228217618709. The next prime is 228217618807. The reversal of 228217618743 is 347816712822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-228217618743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228217418743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481471533 + ... + 481472006.

It is an arithmetic number, because the mean of its divisors is an integer number (38517741600).

Almost surely, 2^228217618743 is an apocalyptic number.

228217618743 is a deficient number, since it is larger than the sum of its proper divisors (79924314057).

228217618743 is an equidigital number, since it uses as much as digits as its factorization.

228217618743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962943621.

The product of its digits is 1806336, while the sum is 51.

The spelling of 228217618743 in words is "two hundred twenty-eight billion, two hundred seventeen million, six hundred eighteen thousand, seven hundred forty-three".