2289622681 has 2 divisors, whose sum is σ = 2289622682. Its totient is φ = 2289622680.

The previous prime is 2289622651. The next prime is 2289622693. The reversal of 2289622681 is 1862269822.

2289622681 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., 2233507600 + 56115081 = 47260^2 + 7491^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289622681 - 2⁷ = 2289622553 is a prime.

It is a super-2 number, since 2×2289622681² = 10484744042699255522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2289622651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144811340 + 1144811341.

It is an arithmetic number, because the mean of its divisors is an integer number (1144811341).

Almost surely, 2^2289622681 is an apocalyptic number.

It is an amenable number.

2289622681 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289622681 is an equidigital number, since it uses as much as digits as its factorization.

2289622681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 2289622681 is about 47850.0018913270. The cubic root of 2289622681 is about 1318.0178931257.

The spelling of 2289622681 in words is "two billion, two hundred eighty-nine million, six hundred twenty-two thousand, six hundred eighty-one".