8918229 has 8 divisors (see below), whose sum is σ = 11909952. Its totient is φ = 5936000.

The previous prime is 8918209. The next prime is 8918237. The reversal of 8918229 is 9228198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8918229 - 2⁹ = 8917717 is a prime.

8918229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8918209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229 + ... + 4229.

It is an arithmetic number, because the mean of its divisors is an integer number (1488744).

Almost surely, 2^8918229 is an apocalyptic number.

It is an amenable number.

8918229 is a deficient number, since it is larger than the sum of its proper divisors (2991723).

8918229 is a wasteful number, since it uses less digits than its factorization.

8918229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747.

The product of its digits is 20736, while the sum is 39.

The square root of 8918229 is about 2986.3404025663. The cubic root of 8918229 is about 207.3764997906.

The spelling of 8918229 in words is "eight million, nine hundred eighteen thousand, two hundred twenty-nine".