868223185 has 8 divisors (see below), whose sum is σ = 1057418496. Its totient is φ = 684211440.

The previous prime is 868223177. The next prime is 868223189. The reversal of 868223185 is 581322868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 868223185 - 2³ = 868223177 is a prime.

It is a super-2 number, since 2×868223185² = 1507622997943088450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868223189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295521 + ... + 1296190.

It is an arithmetic number, because the mean of its divisors is an integer number (132177312).

Almost surely, 2^868223185 is an apocalyptic number.

It is an amenable number.

868223185 is a deficient number, since it is larger than the sum of its proper divisors (189195311).

868223185 is a wasteful number, since it uses less digits than its factorization.

868223185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591783.

The product of its digits is 184320, while the sum is 43.

The square root of 868223185 is about 29465.6271781206. The cubic root of 868223185 is about 953.9899356090.

The spelling of 868223185 in words is "eight hundred sixty-eight million, two hundred twenty-three thousand, one hundred eighty-five".