228858971 has 32 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 191112480.

The previous prime is 228858941. The next prime is 228858977. The reversal of 228858971 is 179858822.

It is a happy number.

228858971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228858971 - 2¹⁰ = 228857947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228858977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1370330 + ... + 1370496.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^228858971 is an apocalyptic number.

228858971 is a deficient number, since it is larger than the sum of its proper divisors (42091429).

228858971 is a wasteful number, since it uses less digits than its factorization.

228858971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 645120, while the sum is 50.

The square root of 228858971 is about 15128.0855034601. The cubic root of 228858971 is about 611.6776990275.

The spelling of 228858971 in words is "two hundred twenty-eight million, eight hundred fifty-eight thousand, nine hundred seventy-one".