229131169 has 8 divisors (see below), whose sum is σ = 231832328. Its totient is φ = 226437120.

The previous prime is 229131163. The next prime is 229131193. The reversal of 229131169 is 961131922.

It can be written as a sum of positive squares in 4 ways, for example, as 18533025 + 210598144 = 4305^2 + 14512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 229131169 - 2¹³ = 229122977 is a prime.

It is a super-2 number, since 2×229131169² = 105002185214613122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229131163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89629 + ... + 92149.

It is an arithmetic number, because the mean of its divisors is an integer number (28979041).

Almost surely, 2^229131169 is an apocalyptic number.

It is an amenable number.

229131169 is a deficient number, since it is larger than the sum of its proper divisors (2701159).

229131169 is an equidigital number, since it uses as much as digits as its factorization.

229131169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555.

The product of its digits is 5832, while the sum is 34.

The square root of 229131169 is about 15137.0792757388. The cubic root of 229131169 is about 611.9201066554.

The spelling of 229131169 in words is "two hundred twenty-nine million, one hundred thirty-one thousand, one hundred sixty-nine".