871018228 has 6 divisors (see below), whose sum is σ = 1524281906. Its totient is φ = 435509112.

The previous prime is 871018201. The next prime is 871018231. The reversal of 871018228 is 822810178.

It can be written as a sum of positive squares in only one way, i.e., 846693604 + 24324624 = 29098^2 + 4932^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 108877275 + ... + 108877282.

Almost surely, 2^871018228 is an apocalyptic number.

It is an amenable number.

871018228 is a deficient number, since it is larger than the sum of its proper divisors (653263678).

871018228 is a wasteful number, since it uses less digits than its factorization.

871018228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217754561 (or 217754559 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 871018228 is about 29513.0179412408. The cubic root of 871018228 is about 955.0125554118.

The spelling of 871018228 in words is "eight hundred seventy-one million, eighteen thousand, two hundred twenty-eight".