2202163181 has 2 divisors, whose sum is σ = 2202163182. Its totient is φ = 2202163180.

The previous prime is 2202163147. The next prime is 2202163207. The reversal of 2202163181 is 1813612022.

2202163181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2202163207) can be obtained adding 2202163181 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1890075625 + 312087556 = 43475^2 + 17666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202163181 is a prime.

It is a super-2 number, since 2×2202163181² = 9699045351504077522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2202163181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202163781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101081590 + 1101081591.

It is an arithmetic number, because the mean of its divisors is an integer number (1101081591).

Almost surely, 2^2202163181 is an apocalyptic number.

It is an amenable number.

2202163181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202163181 is an equidigital number, since it uses as much as digits as its factorization.

2202163181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2202163181 is about 46927.2115195438. The cubic root of 2202163181 is about 1301.0175821696.

The spelling of 2202163181 in words is "two billion, two hundred two million, one hundred sixty-three thousand, one hundred eighty-one".