2222605181 has 2 divisors, whose sum is σ = 2222605182. Its totient is φ = 2222605180.

The previous prime is 2222605163. The next prime is 2222605201. The reversal of 2222605181 is 1815062222.

2222605181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2071069081 + 151536100 = 45509^2 + 12310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222605181 is a prime.

It is a super-2 number, since 2×2222605181² = 9879947581216085522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222605681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111302590 + 1111302591.

It is an arithmetic number, because the mean of its divisors is an integer number (1111302591).

Almost surely, 2^2222605181 is an apocalyptic number.

It is an amenable number.

2222605181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222605181 is an equidigital number, since it uses as much as digits as its factorization.

2222605181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2222605181 is about 47144.5137953506. The cubic root of 2222605181 is about 1305.0308377303.

The spelling of 2222605181 in words is "two billion, two hundred twenty-two million, six hundred five thousand, one hundred eighty-one".