2207565641 has 2 divisors, whose sum is σ = 2207565642. Its totient is φ = 2207565640.

The previous prime is 2207565611. The next prime is 2207565667. The reversal of 2207565641 is 1465657022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024640016 + 182925625 = 44996^2 + 13525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207565641 - 2¹⁰ = 2207564617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2207565595 and 2207565604.

It is not a weakly prime, because it can be changed into another prime (2207565601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103782820 + 1103782821.

It is an arithmetic number, because the mean of its divisors is an integer number (1103782821).

Almost surely, 2^2207565641 is an apocalyptic number.

It is an amenable number.

2207565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207565641 is an equidigital number, since it uses as much as digits as its factorization.

2207565641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 2207565641 is about 46984.7383838625. The cubic root of 2207565641 is about 1302.0806210956.

The spelling of 2207565641 in words is "two billion, two hundred seven million, five hundred sixty-five thousand, six hundred forty-one".