197228648 has 32 divisors (see below), whose sum is σ = 381364200. Its totient is φ = 95553792.

The previous prime is 197228639. The next prime is 197228653. The reversal of 197228648 is 846822791.

It is a happy number.

197228648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 163379524 + 33849124 = 12782^2 + 5818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78386 + ... + 80862.

Almost surely, 2^197228648 is an apocalyptic number.

It is an amenable number.

197228648 is a deficient number, since it is larger than the sum of its proper divisors (184135552).

197228648 is a wasteful number, since it uses less digits than its factorization.

197228648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2785 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 197228648 is about 14043.8117332867. The cubic root of 197228648 is about 582.0898134521.

The spelling of 197228648 in words is "one hundred ninety-seven million, two hundred twenty-eight thousand, six hundred forty-eight".