229470165 has 40 divisors (see below), whose sum is σ = 435556440. Its totient is φ = 115181568.

The previous prime is 229470161. The next prime is 229470173. The reversal of 229470165 is 561074922.

229470165 is a `hidden beast` number, since 2 + 29 + 470 + 165 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67519089 + 161951076 = 8217^2 + 12726^2 .

It is not a de Polignac number, because 229470165 - 2² = 229470161 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229470161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9780 + ... + 23549.

It is an arithmetic number, because the mean of its divisors is an integer number (10888911).

Almost surely, 2^229470165 is an apocalyptic number.

It is an amenable number.

229470165 is a deficient number, since it is larger than the sum of its proper divisors (206086275).

229470165 is a wasteful number, since it uses less digits than its factorization.

229470165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33363 (or 33354 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 229470165 is about 15148.2726738067. The cubic root of 229470165 is about 612.2217333797.

The spelling of 229470165 in words is "two hundred twenty-nine million, four hundred seventy thousand, one hundred sixty-five".