8817022201 has 27 divisors (see below), whose sum is σ = 9907865037. Its totient is φ = 7842444480.

The previous prime is 8817022169. The next prime is 8817022211. The reversal of 8817022201 is 1022207188.

The square root of 8817022201 is 93899.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3733332201 + 5083690000 = 61101^2 + 71300^2 .

It is not a de Polignac number, because 8817022201 - 2⁵ = 8817022169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8817022211) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37841181 + ... + 37841413.

Almost surely, 2^8817022201 is an apocalyptic number.

8817022201 is the 93899-th square number.

8817022201 is the 46950-th centered octagonal number.

It is an amenable number.

8817022201 is a deficient number, since it is larger than the sum of its proper divisors (1090842836).

8817022201 is an equidigital number, since it uses as much as digits as its factorization.

8817022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The cubic root of 8817022201 is about 2065.8905613597.

Adding to 8817022201 its reverse (1022207188), we get a palindrome (9839229389).

The spelling of 8817022201 in words is "eight billion, eight hundred seventeen million, twenty-two thousand, two hundred one".