227538532418 has 18 divisors (see below), whose sum is σ = 362583998283. Its totient is φ = 107071559680.

The previous prime is 227538532409. The next prime is 227538532453. The reversal of 227538532418 is 814235835722.

227538532418 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 5 ways, for example, as 32224917169 + 195313615249 = 179513^2 + 441943^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337297.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 11458178 + ... + 11478018.

Almost surely, 2^227538532418 is an apocalyptic number.

227538532418 is a deficient number, since it is larger than the sum of its proper divisors (135045465865).

227538532418 is an frugal number, since it uses more digits than its factorization.

227538532418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39718 (or 19860 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 50.

Multiplying 227538532418 by its sum of digits (50), we get a square (11376926620900 = 3372970²).

The spelling of 227538532418 in words is "two hundred twenty-seven billion, five hundred thirty-eight million, five hundred thirty-two thousand, four hundred eighteen".