197222222197 has 32 divisors (see below), whose sum is σ = 266265103104. Its totient is φ = 141074265600.

The previous prime is 197222222143. The next prime is 197222222227. The reversal of 197222222197 is 791222222791.

It is a cyclic number.

It is not a de Polignac number, because 197222222197 - 2¹⁵ = 197222189429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197222226197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363088 + ... + 725449.

It is an arithmetic number, because the mean of its divisors is an integer number (8320784472).

Almost surely, 2^197222222197 is an apocalyptic number.

It is an amenable number.

197222222197 is a deficient number, since it is larger than the sum of its proper divisors (69042880907).

197222222197 is a wasteful number, since it uses less digits than its factorization.

197222222197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088749.

The product of its digits is 254016, while the sum is 46.

The spelling of 197222222197 in words is "one hundred ninety-seven billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-seven".