9556822081 has 9 divisors (see below), whose sum is σ = 9900668323. Its totient is φ = 9224539240.

The previous prime is 9556822063. The next prime is 9556822117. The reversal of 9556822081 is 1802286559.

The square root of 9556822081 is 97759.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5011365681 + 4545456400 = 70791^2 + 67420^2 .

It is not a de Polignac number, because 9556822081 - 2¹⁵ = 9556789313 is a prime.

It is a super-2 number, since 2×9556822081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9556822181) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2833326 + ... + 2836696.

Almost surely, 2^9556822081 is an apocalyptic number.

9556822081 is the 97759-th square number.

9556822081 is the 48880-th centered octagonal number.

It is an amenable number.

9556822081 is a deficient number, since it is larger than the sum of its proper divisors (343846242).

9556822081 is an frugal number, since it uses more digits than its factorization.

9556822081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The cubic root of 9556822081 is about 2122.1260030924.

It can be divided in two parts, 95568 and 22081, that added together give a 6-th power (117649 = 7⁶).

The spelling of 9556822081 in words is "nine billion, five hundred fifty-six million, eight hundred twenty-two thousand, eighty-one".