227685349585 has 8 divisors (see below), whose sum is σ = 273224987496. Its totient is φ = 182146567680.

The previous prime is 227685349583. The next prime is 227685349601. The reversal of 227685349585 is 585943586722.

It can be written as a sum of positive squares in 4 ways, for example, as 7041895056 + 220643454529 = 83916^2 + 469727^2 .

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

It is not a de Polignac number, because 227685349585 - 2¹ = 227685349583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227685349583) 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, 874567 + ... + 1104643.

It is an arithmetic number, because the mean of its divisors is an integer number (34153123437).

Almost surely, 2^227685349585 is an apocalyptic number.

It is an amenable number.

227685349585 is a deficient number, since it is larger than the sum of its proper divisors (45539637911).

227685349585 is a wasteful number, since it uses less digits than its factorization.

227685349585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428003.

The product of its digits is 145152000, while the sum is 64.

The spelling of 227685349585 in words is "two hundred twenty-seven billion, six hundred eighty-five million, three hundred forty-nine thousand, five hundred eighty-five".