228322265 has 16 divisors (see below), whose sum is σ = 290176128. Its totient is φ = 172102656.

The previous prime is 228322231. The next prime is 228322273. The reversal of 228322265 is 562223822.

It is a cyclic number.

It is not a de Polignac number, because 228322265 - 2¹⁶ = 228256729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7112 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (18136008).

Almost surely, 2^228322265 is an apocalyptic number.

It is an amenable number.

228322265 is a deficient number, since it is larger than the sum of its proper divisors (61853863).

228322265 is a wasteful number, since it uses less digits than its factorization.

228322265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29728.

The product of its digits is 23040, while the sum is 32.

The square root of 228322265 is about 15110.3363629007. The cubic root of 228322265 is about 611.1991684373.

The spelling of 228322265 in words is "two hundred twenty-eight million, three hundred twenty-two thousand, two hundred sixty-five".