229747197 has 12 divisors (see below), whose sum is σ = 325410176. Its totient is φ = 144154560.

The previous prime is 229747159. The next prime is 229747201. The reversal of 229747197 is 791747922.

It is not a de Polignac number, because 229747197 - 2¹⁹ = 229222909 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 (229747117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131629 + ... + 133362.

Almost surely, 2^229747197 is an apocalyptic number.

It is an amenable number.

229747197 is a deficient number, since it is larger than the sum of its proper divisors (95662979).

229747197 is a wasteful number, since it uses less digits than its factorization.

229747197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265028 (or 265011 counting only the distinct ones).

The product of its digits is 444528, while the sum is 48.

The square root of 229747197 is about 15157.4139285038. The cubic root of 229747197 is about 612.4680062144.

It can be divided in two parts, 2297 and 47197, that added together give a palindrome (49494).

The spelling of 229747197 in words is "two hundred twenty-nine million, seven hundred forty-seven thousand, one hundred ninety-seven".