8229705 has 16 divisors (see below), whose sum is σ = 14364864. Its totient is φ = 3990080.

The previous prime is 8229701. The next prime is 8229731. The reversal of 8229705 is 5079228.

It is not a de Polignac number, because 8229705 - 2² = 8229701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8229701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24774 + ... + 25103.

It is an arithmetic number, because the mean of its divisors is an integer number (897804).

Almost surely, 2^8229705 is an apocalyptic number.

It is an amenable number.

8229705 is a deficient number, since it is larger than the sum of its proper divisors (6135159).

8229705 is a wasteful number, since it uses less digits than its factorization.

8229705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49896.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 8229705 is about 2868.7462418276. The cubic root of 8229705 is about 201.8961741378.

The spelling of 8229705 in words is "eight million, two hundred twenty-nine thousand, seven hundred five".