197816422 has 16 divisors (see below), whose sum is σ = 313872480. Its totient is φ = 93310272.

The previous prime is 197816417. The next prime is 197816441. The reversal of 197816422 is 224618791.

197816422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26097 + ... + 32812.

It is an arithmetic number, because the mean of its divisors is an integer number (19617030).

Almost surely, 2^197816422 is an apocalyptic number.

197816422 is a deficient number, since it is larger than the sum of its proper divisors (116056058).

197816422 is a wasteful number, since it uses less digits than its factorization.

197816422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59007.

The product of its digits is 48384, while the sum is 40.

The square root of 197816422 is about 14064.7226065785. The cubic root of 197816422 is about 582.6674812975.

The spelling of 197816422 in words is "one hundred ninety-seven million, eight hundred sixteen thousand, four hundred twenty-two".