3568821822 has 64 divisors (see below), whose sum is σ = 8043840000. Its totient is φ = 1172755584.

The previous prime is 3568821797. The next prime is 3568821827. The reversal of 3568821822 is 2281288653.

3568821822 is a `hidden beast` number, since 3 + 568 + 8 + 2 + 1 + 82 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3568821827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1212829 + ... + 1215767.

It is an arithmetic number, because the mean of its divisors is an integer number (125685000).

Almost surely, 2^3568821822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3568821822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021920000).

3568821822 is an abundant number, since it is smaller than the sum of its proper divisors (4475018178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3568821822 is a wasteful number, since it uses less digits than its factorization.

3568821822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3256 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 3568821822 is about 59739.6168551490. The cubic root of 3568821822 is about 1528.1815612472.

The spelling of 3568821822 in words is "three billion, five hundred sixty-eight million, eight hundred twenty-one thousand, eight hundred twenty-two".