197222222229 has 4 divisors (see below), whose sum is σ = 262962962976. Its totient is φ = 131481481484.

The previous prime is 197222222227. The next prime is 197222222233. The reversal of 197222222229 is 922222222791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197222222229 - 2¹ = 197222222227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197222222227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32870370369 + ... + 32870370374.

It is an arithmetic number, because the mean of its divisors is an integer number (65740740744).

Almost surely, 2^197222222229 is an apocalyptic number.

It is an amenable number.

197222222229 is a deficient number, since it is larger than the sum of its proper divisors (65740740747).

197222222229 is an equidigital number, since it uses as much as digits as its factorization.

197222222229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65740740746.

The product of its digits is 145152, while the sum is 42.

The spelling of 197222222229 in words is "one hundred ninety-seven billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-nine".