2266435181 has 2 divisors, whose sum is σ = 2266435182. Its totient is φ = 2266435180.

The previous prime is 2266435169. The next prime is 2266435183. The reversal of 2266435181 is 1815346622.

2266435181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1329769156 + 936666025 = 36466^2 + 30605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266435181 is a prime.

It is a super-2 number, since 2×2266435181² = 10273456859349005522, which contains 22 as substring.

Together with 2266435183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266435183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133217590 + 1133217591.

It is an arithmetic number, because the mean of its divisors is an integer number (1133217591).

Almost surely, 2^2266435181 is an apocalyptic number.

It is an amenable number.

2266435181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266435181 is an equidigital number, since it uses as much as digits as its factorization.

2266435181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 2266435181 is about 47607.0917091141. The cubic root of 2266435181 is about 1313.5535051282.

The spelling of 2266435181 in words is "two billion, two hundred sixty-six million, four hundred thirty-five thousand, one hundred eighty-one".