227112565 has 4 divisors (see below), whose sum is σ = 272535084. Its totient is φ = 181690048.

The previous prime is 227112559. The next prime is 227112569. The reversal of 227112565 is 565211722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 176517796 + 50594769 = 13286^2 + 7113^2 .

It is a cyclic number.

It is not a de Polignac number, because 227112565 - 2¹³ = 227104373 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227112569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22711252 + ... + 22711261.

It is an arithmetic number, because the mean of its divisors is an integer number (68133771).

Almost surely, 2^227112565 is an apocalyptic number.

It is an amenable number.

227112565 is a deficient number, since it is larger than the sum of its proper divisors (45422519).

227112565 is an equidigital number, since it uses as much as digits as its factorization.

227112565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45422518.

The product of its digits is 8400, while the sum is 31.

The square root of 227112565 is about 15070.2543110593. The cubic root of 227112565 is about 610.1178353386.

The spelling of 227112565 in words is "two hundred twenty-seven million, one hundred twelve thousand, five hundred sixty-five".