228663365 has 8 divisors (see below), whose sum is σ = 313595520. Its totient is φ = 156797712.

The previous prime is 228663349. The next prime is 228663389. The reversal of 228663365 is 563366822.

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 228663365 - 2⁴ = 228663349 is a prime.

It is a congruent number.

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, 3266585 + ... + 3266654.

It is an arithmetic number, because the mean of its divisors is an integer number (39199440).

Almost surely, 2^228663365 is an apocalyptic number.

It is an amenable number.

228663365 is a deficient number, since it is larger than the sum of its proper divisors (84932155).

228663365 is an equidigital number, since it uses as much as digits as its factorization.

228663365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533251.

The product of its digits is 311040, while the sum is 41.

The square root of 228663365 is about 15121.6191262708. The cubic root of 228663365 is about 611.5033821671.

The spelling of 228663365 in words is "two hundred twenty-eight million, six hundred sixty-three thousand, three hundred sixty-five".