2243481481 has 2 divisors, whose sum is σ = 2243481482. Its totient is φ = 2243481480.

The previous prime is 2243481469. The next prime is 2243481509. The reversal of 2243481481 is 1841843422.

2243481481 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., 1304365456 + 939116025 = 36116^2 + 30645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243481481 - 2⁷ = 2243481353 is a prime.

It is a super-2 number, since 2×2243481481² = 10066418311179906722, 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 2243481481.

It is not a weakly prime, because it can be changed into another prime (2243481181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121740740 + 1121740741.

It is an arithmetic number, because the mean of its divisors is an integer number (1121740741).

Almost surely, 2^2243481481 is an apocalyptic number.

It is an amenable number.

2243481481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243481481 is an equidigital number, since it uses as much as digits as its factorization.

2243481481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 37.

The square root of 2243481481 is about 47365.4038407781. The cubic root of 2243481481 is about 1309.1040395725.

The spelling of 2243481481 in words is "two billion, two hundred forty-three million, four hundred eighty-one thousand, four hundred eighty-one".