228060565 has 4 divisors (see below), whose sum is σ = 273672684. Its totient is φ = 182448448.

The previous prime is 228060557. The next prime is 228060577. The reversal of 228060565 is 565060822.

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 57653649 + 170406916 = 7593^2 + 13054^2 .

It is a cyclic number.

It is not a de Polignac number, because 228060565 - 2³ = 228060557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 228060565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22806052 + ... + 22806061.

It is an arithmetic number, because the mean of its divisors is an integer number (68418171).

Almost surely, 2^228060565 is an apocalyptic number.

It is an amenable number.

228060565 is a deficient number, since it is larger than the sum of its proper divisors (45612119).

228060565 is an equidigital number, since it uses as much as digits as its factorization.

228060565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45612118.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 228060565 is about 15101.6742449306. The cubic root of 228060565 is about 610.9655629929.

The spelling of 228060565 in words is "two hundred twenty-eight million, sixty thousand, five hundred sixty-five".