197469229 has 4 divisors (see below), whose sum is σ = 209085084. Its totient is φ = 185853376.

The previous prime is 197469227. The next prime is 197469257. The reversal of 197469229 is 922964791.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138532900 + 58936329 = 11770^2 + 7677^2 .

It is a cyclic number.

It is not a de Polignac number, because 197469229 - 2¹ = 197469227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197469227) 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 3 ways as a sum of consecutive naturals, for example, 5807902 + ... + 5807935.

It is an arithmetic number, because the mean of its divisors is an integer number (52271271).

Almost surely, 2^197469229 is an apocalyptic number.

It is an amenable number.

197469229 is a deficient number, since it is larger than the sum of its proper divisors (11615855).

197469229 is a wasteful number, since it uses less digits than its factorization.

197469229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615854.

The product of its digits is 489888, while the sum is 49.

The square root of 197469229 is about 14052.3744968600. The cubic root of 197469229 is about 582.3263964720.

The spelling of 197469229 in words is "one hundred ninety-seven million, four hundred sixty-nine thousand, two hundred twenty-nine".