197159222 has 16 divisors (see below), whose sum is σ = 319077360. Its totient is φ = 90828192.

The previous prime is 197159213. The next prime is 197159227. The reversal of 197159222 is 222951791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197159227) by changing a digit.

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, 7904 + ... + 21372.

It is an arithmetic number, because the mean of its divisors is an integer number (19942335).

Almost surely, 2^197159222 is an apocalyptic number.

197159222 is a deficient number, since it is larger than the sum of its proper divisors (121918138).

197159222 is a wasteful number, since it uses less digits than its factorization.

197159222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14047.

The product of its digits is 22680, while the sum is 38.

The square root of 197159222 is about 14041.3397508927. The cubic root of 197159222 is about 582.0215054071.

The spelling of 197159222 in words is "one hundred ninety-seven million, one hundred fifty-nine thousand, two hundred twenty-two".