6822495121 has 4 divisors (see below), whose sum is σ = 7347302452. Its totient is φ = 6297687792.

The previous prime is 6822495109. The next prime is 6822495139. The reversal of 6822495121 is 1215942286.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3634763521 + 3187731600 = 60289^2 + 56460^2 .

It is a cyclic number.

It is not a de Polignac number, because 6822495121 - 2²³ = 6814106513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6822495181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262403646 + ... + 262403671.

It is an arithmetic number, because the mean of its divisors is an integer number (1836825613).

Almost surely, 2^6822495121 is an apocalyptic number.

It is an amenable number.

6822495121 is a deficient number, since it is larger than the sum of its proper divisors (524807331).

6822495121 is a wasteful number, since it uses less digits than its factorization.

6822495121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524807330.

The product of its digits is 69120, while the sum is 40.

The square root of 6822495121 is about 82598.3966006605. The cubic root of 6822495121 is about 1896.6232841093.

The spelling of 6822495121 in words is "six billion, eight hundred twenty-two million, four hundred ninety-five thousand, one hundred twenty-one".