6822221541 has 4 divisors (see below), whose sum is σ = 9096295392. Its totient is φ = 4548147692.

The previous prime is 6822221519. The next prime is 6822221543. The reversal of 6822221541 is 1451222286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6822221541 - 2⁵ = 6822221509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6822221543) 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, 1137036921 + ... + 1137036926.

It is an arithmetic number, because the mean of its divisors is an integer number (2274073848).

Almost surely, 2^6822221541 is an apocalyptic number.

It is an amenable number.

6822221541 is a deficient number, since it is larger than the sum of its proper divisors (2274073851).

6822221541 is a wasteful number, since it uses less digits than its factorization.

6822221541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274073850.

The product of its digits is 15360, while the sum is 33.

The square root of 6822221541 is about 82596.7404986420. The cubic root of 6822221541 is about 1896.5979324296.

The spelling of 6822221541 in words is "six billion, eight hundred twenty-two million, two hundred twenty-one thousand, five hundred forty-one".