8022729 has 16 divisors (see below), whose sum is σ = 12567744. Its totient is φ = 4488000.

The previous prime is 8022709. The next prime is 8022739. The reversal of 8022729 is 9272208.

It is not a de Polignac number, because 8022729 - 2¹¹ = 8020681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8022696 and 8022705.

It is not an unprimeable number, because it can be changed into a prime (8022709) 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, 8922 + ... + 9779.

It is an arithmetic number, because the mean of its divisors is an integer number (785484).

Almost surely, 2^8022729 is an apocalyptic number.

It is an amenable number.

8022729 is a deficient number, since it is larger than the sum of its proper divisors (4545015).

8022729 is a wasteful number, since it uses less digits than its factorization.

8022729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 8022729 is about 2832.4422324206. The cubic root of 8022729 is about 200.1892292383.

The spelling of 8022729 in words is "eight million, twenty-two thousand, seven hundred twenty-nine".