2822729 has 8 divisors (see below), whose sum is σ = 3474240. Its totient is φ = 2233296.

The previous prime is 2822723. The next prime is 2822741. The reversal of 2822729 is 9272282.

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

It is not a de Polignac number, because 2822729 - 2⁴ = 2822713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2822695 and 2822704.

It is not an unprimeable number, because it can be changed into a prime (2822723) 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, 15419 + ... + 15600.

It is an arithmetic number, because the mean of its divisors is an integer number (434280).

2^2822729 is an apocalyptic number.

It is an amenable number.

2822729 is a deficient number, since it is larger than the sum of its proper divisors (651511).

2822729 is a wasteful number, since it uses less digits than its factorization.

2822729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31039.

The product of its digits is 8064, while the sum is 32.

The square root of 2822729 is about 1680.0979138134. The cubic root of 2822729 is about 141.3263236457.

The spelling of 2822729 in words is "two million, eight hundred twenty-two thousand, seven hundred twenty-nine".