229169 has 4 divisors (see below), whose sum is σ = 231540. Its totient is φ = 226800.

The previous prime is 229157. The next prime is 229171. The reversal of 229169 is 961922.

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 115600 + 113569 = 340^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 229169 - 2⁴ = 229153 is a prime.

It is a super-2 number, since 2×229169² = 105036861122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229139) 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, 1034 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (57885).

2²²⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

229169 is a deficient number, since it is larger than the sum of its proper divisors (2371).

229169 is a wasteful number, since it uses less digits than its factorization.

229169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its digits is 1944, while the sum is 29.

The square root of 229169 is about 478.7159909591. The cubic root of 229169 is about 61.1953782091.

The spelling of 229169 in words is "two hundred twenty-nine thousand, one hundred sixty-nine".