2202201181 has 2 divisors, whose sum is σ = 2202201182. Its totient is φ = 2202201180.

The previous prime is 2202201179. The next prime is 2202201223. The reversal of 2202201181 is 1811022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132322500 + 1069878681 = 33650^2 + 32709^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202201181 - 2¹ = 2202201179 is a prime.

It is a super-2 number, since 2×2202201181² = 9699380083195589522, which contains 22 as substring.

Together with 2202201179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202201151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101100590 + 1101100591.

It is an arithmetic number, because the mean of its divisors is an integer number (1101100591).

Almost surely, 2^2202201181 is an apocalyptic number.

It is an amenable number.

2202201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202201181 is an equidigital number, since it uses as much as digits as its factorization.

2202201181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 2202201181 is about 46927.6164001540. The cubic root of 2202201181 is about 1301.0250654757.

The spelling of 2202201181 in words is "two billion, two hundred two million, two hundred one thousand, one hundred eighty-one".