9165229 has 4 divisors (see below), whose sum is σ = 9189180. Its totient is φ = 9141280.

The previous prime is 9165217. The next prime is 9165241. The reversal of 9165229 is 9225619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9225619 = 13 ⋅709663.

It is an interprime number because it is at equal distance from previous prime (9165217) and next prime (9165241).

It can be written as a sum of positive squares in 2 ways, for example, as 2036329 + 7128900 = 1427^2 + 2670^2 .

It is a cyclic number.

It is not a de Polignac number, because 9165229 - 2²¹ = 7068077 is a prime.

It is a Duffinian number.

9165229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9165194 and 9165203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9165259) 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, 11392 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (2297295).

Almost surely, 2^9165229 is an apocalyptic number.

It is an amenable number.

9165229 is a deficient number, since it is larger than the sum of its proper divisors (23951).

9165229 is a wasteful number, since it uses less digits than its factorization.

9165229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950.

The product of its digits is 9720, while the sum is 34.

The square root of 9165229 is about 3027.4129219517. The cubic root of 9165229 is about 209.2735975599.

The spelling of 9165229 in words is "nine million, one hundred sixty-five thousand, two hundred twenty-nine".