6822656469 has 6 divisors (see below), whose sum is σ = 9854948246. Its totient is φ = 4548437640.

The previous prime is 6822656459. The next prime is 6822656471. The reversal of 6822656469 is 9646562286.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5261616369 + 1561040100 = 72537^2 + 39510^2 .

It is not a de Polignac number, because 6822656469 - 2⁴ = 6822656453 is a prime.

It is a super-2 number, since 2×6822656469² = 93097282587975095922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6822656419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379036462 + ... + 379036479.

Almost surely, 2^6822656469 is an apocalyptic number.

It is an amenable number.

6822656469 is a deficient number, since it is larger than the sum of its proper divisors (3032291777).

6822656469 is a wasteful number, since it uses less digits than its factorization.

6822656469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758072947 (or 758072944 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 6822656469 is about 82599.3732966540. The cubic root of 6822656469 is about 1896.6382353335.

The spelling of 6822656469 in words is "six billion, eight hundred twenty-two million, six hundred fifty-six thousand, four hundred sixty-nine".