228252362585 has 8 divisors (see below), whose sum is σ = 294972284040. Its totient is φ = 168555590784.

The previous prime is 228252362561. The next prime is 228252362647. The reversal of 228252362585 is 585263252822.

It can be written as a sum of positive squares in 4 ways, for example, as 47475180544 + 180777182041 = 217888^2 + 425179^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 228252362585 - 2⁶ = 228252362521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755787340 + ... + 1755787469.

It is an arithmetic number, because the mean of its divisors is an integer number (36871535505).

Almost surely, 2^228252362585 is an apocalyptic number.

It is an amenable number.

228252362585 is a deficient number, since it is larger than the sum of its proper divisors (66719921455).

228252362585 is a wasteful number, since it uses less digits than its factorization.

228252362585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511574827.

The product of its digits is 4608000, while the sum is 50.

The spelling of 228252362585 in words is "two hundred twenty-eight billion, two hundred fifty-two million, three hundred sixty-two thousand, five hundred eighty-five".