169829225 has 12 divisors (see below), whose sum is σ = 214563276. Its totient is φ = 133298880.

The previous prime is 169829213. The next prime is 169829243. The reversal of 169829225 is 522928961.

It can be written as a sum of positive squares in 6 ways, for example, as 20720704 + 149108521 = 4552^2 + 12211^2 .

It is not a de Polignac number, because 169829225 - 2¹² = 169825129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62762 + ... + 65411.

It is an arithmetic number, because the mean of its divisors is an integer number (17880273).

Almost surely, 2^169829225 is an apocalyptic number.

It is an amenable number.

169829225 is a deficient number, since it is larger than the sum of its proper divisors (44734051).

169829225 is a wasteful number, since it uses less digits than its factorization.

169829225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128236 (or 128231 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 169829225 is about 13031.8542425857. The cubic root of 169829225 is about 553.7802664405.

The spelling of 169829225 in words is "one hundred sixty-nine million, eight hundred twenty-nine thousand, two hundred twenty-five".