2234142181 has 2 divisors, whose sum is σ = 2234142182. Its totient is φ = 2234142180.

The previous prime is 2234142173. The next prime is 2234142221. The reversal of 2234142181 is 1812414322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1523653156 + 710489025 = 39034^2 + 26655^2 .

It is a cyclic number.

It is not a de Polignac number, because 2234142181 - 2³ = 2234142173 is a prime.

It is a super-2 number, since 2×2234142181² = 9982782569846873522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2234142101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117071090 + 1117071091.

It is an arithmetic number, because the mean of its divisors is an integer number (1117071091).

Almost surely, 2^2234142181 is an apocalyptic number.

It is an amenable number.

2234142181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234142181 is an equidigital number, since it uses as much as digits as its factorization.

2234142181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 28.

The square root of 2234142181 is about 47266.7132451581. The cubic root of 2234142181 is about 1307.2849739805.

The spelling of 2234142181 in words is "two billion, two hundred thirty-four million, one hundred forty-two thousand, one hundred eighty-one".