2223889081 has 2 divisors, whose sum is σ = 2223889082. Its totient is φ = 2223889080.

The previous prime is 2223889039. The next prime is 2223889097. The reversal of 2223889081 is 1809883222.

2223889081 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., 1490346025 + 733543056 = 38605^2 + 27084^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223889081 - 2²³ = 2215500473 is a prime.

It is a super-2 number, since 2×2223889081² = 9891365289182049122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2223889001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111944540 + 1111944541.

It is an arithmetic number, because the mean of its divisors is an integer number (1111944541).

Almost surely, 2^2223889081 is an apocalyptic number.

It is an amenable number.

2223889081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223889081 is an equidigital number, since it uses as much as digits as its factorization.

2223889081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 2223889081 is about 47158.1284721945. The cubic root of 2223889081 is about 1305.2820754196.

The spelling of 2223889081 in words is "two billion, two hundred twenty-three million, eight hundred eighty-nine thousand, eighty-one".