228238757563 has 4 divisors (see below), whose sum is σ = 231127855840. Its totient is φ = 225349659288.

The previous prime is 228238757561. The next prime is 228238757581. The reversal of 228238757563 is 365757832822.

228238757563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228238757563 - 2¹ = 228238757561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228238757498 and 228238757507.

It is not an unprimeable number, because it can be changed into a prime (228238757561) 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, 1444549020 + ... + 1444549177.

It is an arithmetic number, because the mean of its divisors is an integer number (57781963960).

Almost surely, 2^228238757563 is an apocalyptic number.

228238757563 is a deficient number, since it is larger than the sum of its proper divisors (2889098277).

228238757563 is an equidigital number, since it uses as much as digits as its factorization.

228238757563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889098276.

The product of its digits is 33868800, while the sum is 58.

The spelling of 228238757563 in words is "two hundred twenty-eight billion, two hundred thirty-eight million, seven hundred fifty-seven thousand, five hundred sixty-three".