228413365 has 4 divisors (see below), whose sum is σ = 274096044. Its totient is φ = 182730688.

The previous prime is 228413357. The next prime is 228413401. The reversal of 228413365 is 563314822.

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 72488196 + 155925169 = 8514^2 + 12487^2 .

It is a cyclic number.

It is not a de Polignac number, because 228413365 - 2³ = 228413357 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 228413365.

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, 22841332 + ... + 22841341.

It is an arithmetic number, because the mean of its divisors is an integer number (68524011).

Almost surely, 2^228413365 is an apocalyptic number.

It is an amenable number.

228413365 is a deficient number, since it is larger than the sum of its proper divisors (45682679).

228413365 is an equidigital number, since it uses as much as digits as its factorization.

228413365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45682678.

The product of its digits is 34560, while the sum is 34.

The square root of 228413365 is about 15113.3505550556. The cubic root of 228413365 is about 611.2804465969.

The spelling of 228413365 in words is "two hundred twenty-eight million, four hundred thirteen thousand, three hundred sixty-five".