228307265 has 8 divisors (see below), whose sum is σ = 276126720. Its totient is φ = 181207152.

The previous prime is 228307259. The next prime is 228307271. The reversal of 228307265 is 562703822.

228307265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228307259) and next prime (228307271).

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 228307265 - 2¹² = 228303169 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, 179135 + ... + 180404.

It is an arithmetic number, because the mean of its divisors is an integer number (34515840).

Almost surely, 2^228307265 is an apocalyptic number.

It is an amenable number.

228307265 is a deficient number, since it is larger than the sum of its proper divisors (47819455).

228307265 is a wasteful number, since it uses less digits than its factorization.

228307265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359671.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 228307265 is about 15109.8400057711. The cubic root of 228307265 is about 611.1857835720.

The spelling of 228307265 in words is "two hundred twenty-eight million, three hundred seven thousand, two hundred sixty-five".