855224589 has 32 divisors (see below), whose sum is σ = 1181952000. Its totient is φ = 549806400.

The previous prime is 855224581. The next prime is 855224609. The reversal of 855224589 is 985422558.

It is not a de Polignac number, because 855224589 - 2³ = 855224581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855224581) 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, 4297512 + ... + 4297710.

It is an arithmetic number, because the mean of its divisors is an integer number (36936000).

Almost surely, 2^855224589 is an apocalyptic number.

It is an amenable number.

855224589 is a deficient number, since it is larger than the sum of its proper divisors (326727411).

855224589 is a wasteful number, since it uses less digits than its factorization.

855224589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 1152000, while the sum is 48.

The square root of 855224589 is about 29244.2231731328. The cubic root of 855224589 is about 949.2050927614.

The spelling of 855224589 in words is "eight hundred fifty-five million, two hundred twenty-four thousand, five hundred eighty-nine".