9158229 has 12 divisors (see below), whose sum is σ = 13685100. Its totient is φ = 5894784.

The previous prime is 9158221. The next prime is 9158231. The reversal of 9158229 is 9228519.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 2883204 = 2505^2 + 1698^2 .

It is not a de Polignac number, because 9158229 - 2³ = 9158221 is a prime.

9158229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9158193 and 9158202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9158221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17284 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (1140425).

Almost surely, 2^9158229 is an apocalyptic number.

It is an amenable number.

9158229 is a deficient number, since it is larger than the sum of its proper divisors (4526871).

9158229 is a wasteful number, since it uses less digits than its factorization.

9158229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35124 (or 35121 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 9158229 is about 3026.2565985058. The cubic root of 9158229 is about 209.2203059914.

The spelling of 9158229 in words is "nine million, one hundred fifty-eight thousand, two hundred twenty-nine".