2271654641 has 2 divisors, whose sum is σ = 2271654642. Its totient is φ = 2271654640.

The previous prime is 2271654629. The next prime is 2271654647. The reversal of 2271654641 is 1464561722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468499041 + 803155600 = 38321^2 + 28340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271654641 - 2⁶ = 2271654577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2271654595 and 2271654604.

It is not a weakly prime, because it can be changed into another prime (2271654647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135827320 + 1135827321.

It is an arithmetic number, because the mean of its divisors is an integer number (1135827321).

Almost surely, 2^2271654641 is an apocalyptic number.

It is an amenable number.

2271654641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271654641 is an equidigital number, since it uses as much as digits as its factorization.

2271654641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 38.

The square root of 2271654641 is about 47661.8782781375. The cubic root of 2271654641 is about 1314.5610762170.

The spelling of 2271654641 in words is "two billion, two hundred seventy-one million, six hundred fifty-four thousand, six hundred forty-one".