229118197 has 32 divisors (see below), whose sum is σ = 305627904. Its totient is φ = 166272000.

The previous prime is 229118173. The next prime is 229118243. The reversal of 229118197 is 791811922.

It is a cyclic number.

It is not a de Polignac number, because 229118197 - 2⁷ = 229118069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229118297) 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 31 ways as a sum of consecutive naturals, for example, 131343 + ... + 133075.

It is an arithmetic number, because the mean of its divisors is an integer number (9550872).

Almost surely, 2^229118197 is an apocalyptic number.

It is an amenable number.

229118197 is a deficient number, since it is larger than the sum of its proper divisors (76509707).

229118197 is a wasteful number, since it uses less digits than its factorization.

229118197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869.

The product of its digits is 18144, while the sum is 40.

The square root of 229118197 is about 15136.6507854281. The cubic root of 229118197 is about 611.9085587177.

The spelling of 229118197 in words is "two hundred twenty-nine million, one hundred eighteen thousand, one hundred ninety-seven".