228865849 has 8 divisors (see below), whose sum is σ = 255083040. Its totient is φ = 204065856.

The previous prime is 228865841. The next prime is 228865853. The reversal of 228865849 is 948568822.

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 228865849 - 2³ = 228865841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228865796 and 228865805.

It is not an unprimeable number, because it can be changed into a prime (228865841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353959 + ... + 354604.

It is an arithmetic number, because the mean of its divisors is an integer number (31885380).

Almost surely, 2^228865849 is an apocalyptic number.

It is an amenable number.

228865849 is a deficient number, since it is larger than the sum of its proper divisors (26217191).

228865849 is a wasteful number, since it uses less digits than its factorization.

228865849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708599.

The product of its digits is 2211840, while the sum is 52.

The square root of 228865849 is about 15128.3128272785. The cubic root of 228865849 is about 611.6838266397.

The spelling of 228865849 in words is "two hundred twenty-eight million, eight hundred sixty-five thousand, eight hundred forty-nine".