197222266 has 8 divisors (see below), whose sum is σ = 295938720. Its totient is φ = 98576028.

The previous prime is 197222189. The next prime is 197222269. The reversal of 197222266 is 662222791.

It is a happy number.

197222266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (197222269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9856 + ... + 22171.

It is an arithmetic number, because the mean of its divisors is an integer number (36992340).

Almost surely, 2^197222266 is an apocalyptic number.

197222266 is a deficient number, since it is larger than the sum of its proper divisors (98716454).

197222266 is a wasteful number, since it uses less digits than its factorization.

197222266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35108.

The product of its digits is 36288, while the sum is 37.

The square root of 197222266 is about 14043.5845139338. The cubic root of 197222266 is about 582.0835348895.

The spelling of 197222266 in words is "one hundred ninety-seven million, two hundred twenty-two thousand, two hundred sixty-six".