845224198 has 32 divisors (see below), whose sum is σ = 1614231360. Its totient is φ = 322842240.

The previous prime is 845224157. The next prime is 845224199. The reversal of 845224198 is 891422548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845224199) 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 15 ways as a sum of consecutive naturals, for example, 74793 + ... + 85348.

It is an arithmetic number, because the mean of its divisors is an integer number (50444730).

Almost surely, 2^845224198 is an apocalyptic number.

845224198 is a deficient number, since it is larger than the sum of its proper divisors (769007162).

845224198 is a wasteful number, since it uses less digits than its factorization.

845224198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160192.

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

The square root of 845224198 is about 29072.7397745723. The cubic root of 845224198 is about 945.4907999865.

The spelling of 845224198 in words is "eight hundred forty-five million, two hundred twenty-four thousand, one hundred ninety-eight".