6822561 has 8 divisors (see below), whose sum is σ = 9158400. Its totient is φ = 4517552.

The previous prime is 6822533. The next prime is 6822581. The reversal of 6822561 is 1652286.

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 6822561 - 2¹⁰ = 6821537 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6822581) 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, 7185 + ... + 8078.

It is an arithmetic number, because the mean of its divisors is an integer number (1144800).

Almost surely, 2^6822561 is an apocalyptic number.

It is an amenable number.

6822561 is a deficient number, since it is larger than the sum of its proper divisors (2335839).

6822561 is a wasteful number, since it uses less digits than its factorization.

6822561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15415.

The product of its digits is 5760, while the sum is 30.

The square root of 6822561 is about 2612.0032542093. The cubic root of 6822561 is about 189.6629388779.

It can be divided in two parts, 68225 and 61, that added together give a palindrome (68286).

The spelling of 6822561 in words is "six million, eight hundred twenty-two thousand, five hundred sixty-one".