2422221181 has 2 divisors, whose sum is σ = 2422221182. Its totient is φ = 2422221180.

The previous prime is 2422221173. The next prime is 2422221227. The reversal of 2422221181 is 1811222242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2397669156 + 24552025 = 48966^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422221181 - 2³ = 2422221173 is a prime.

It is a super-2 number, since 2×2422221181² = 11734310899370069522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211110590 + 1211110591.

It is an arithmetic number, because the mean of its divisors is an integer number (1211110591).

Almost surely, 2^2422221181 is an apocalyptic number.

It is an amenable number.

2422221181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422221181 is an equidigital number, since it uses as much as digits as its factorization.

2422221181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1024, while the sum is 25.

The square root of 2422221181 is about 49216.0662893734. The cubic root of 2422221181 is about 1342.9853210782.

The spelling of 2422221181 in words is "two billion, four hundred twenty-two million, two hundred twenty-one thousand, one hundred eighty-one".