197122316 has 12 divisors (see below), whose sum is σ = 345238320. Its totient is φ = 98482800.

The previous prime is 197122307. The next prime is 197122339. The reversal of 197122316 is 613221791.

It is an unprimeable number.

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, 13736 + ... + 24143.

It is an arithmetic number, because the mean of its divisors is an integer number (28769860).

Almost surely, 2^197122316 is an apocalyptic number.

It is an amenable number.

197122316 is a deficient number, since it is larger than the sum of its proper divisors (148116004).

197122316 is a wasteful number, since it uses less digits than its factorization.

197122316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39184 (or 39182 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 197122316 is about 14040.0254985523. The cubic root of 197122316 is about 581.9851871700.

The spelling of 197122316 in words is "one hundred ninety-seven million, one hundred twenty-two thousand, three hundred sixteen".