2271040477 has 2 divisors, whose sum is σ = 2271040478. Its totient is φ = 2271040476.

The previous prime is 2271040459. The next prime is 2271040529. The reversal of 2271040477 is 7740401722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2256820036 + 14220441 = 47506^2 + 3771^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271040477 - 2¹⁵ = 2271007709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271049477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135520238 + 1135520239.

It is an arithmetic number, because the mean of its divisors is an integer number (1135520239).

Almost surely, 2^2271040477 is an apocalyptic number.

It is an amenable number.

2271040477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271040477 is an equidigital number, since it uses as much as digits as its factorization.

2271040477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 2271040477 is about 47655.4349156526. The cubic root of 2271040477 is about 1314.4425974007.

The spelling of 2271040477 in words is "two billion, two hundred seventy-one million, forty thousand, four hundred seventy-seven".