8667229 has 4 divisors (see below), whose sum is σ = 9177084. Its totient is φ = 8157376.

The previous prime is 8667227. The next prime is 8667257. The reversal of 8667229 is 9227668.

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 2883204 + 5784025 = 1698^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 8667229 - 2¹ = 8667227 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8667229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8667191 and 8667200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8667227) 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, 254902 + ... + 254935.

It is an arithmetic number, because the mean of its divisors is an integer number (2294271).

Almost surely, 2^8667229 is an apocalyptic number.

It is an amenable number.

8667229 is a deficient number, since it is larger than the sum of its proper divisors (509855).

8667229 is a wasteful number, since it uses less digits than its factorization.

8667229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509854.

The product of its digits is 72576, while the sum is 40.

The square root of 8667229 is about 2944.0157947946. The cubic root of 8667229 is about 205.4124474354.

The spelling of 8667229 in words is "eight million, six hundred sixty-seven thousand, two hundred twenty-nine".