197845228 has 24 divisors (see below), whose sum is σ = 397281024. Its totient is φ = 84450000.

The previous prime is 197845223. The next prime is 197845243. The reversal of 197845228 is 822548791.

It is not an unprimeable number, because it can be changed into a prime (197845223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (16553376).

Almost surely, 2^197845228 is an apocalyptic number.

It is an amenable number.

197845228 is an abundant number, since it is smaller than the sum of its proper divisors (199435796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197845228 is a wasteful number, since it uses less digits than its factorization.

197845228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28413 (or 28411 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 197845228 is about 14065.7466207806. The cubic root of 197845228 is about 582.6957625774.

The spelling of 197845228 in words is "one hundred ninety-seven million, eight hundred forty-five thousand, two hundred twenty-eight".