2211523241 has 2 divisors, whose sum is σ = 2211523242. Its totient is φ = 2211523240.

The previous prime is 2211523213. The next prime is 2211523253. The reversal of 2211523241 is 1423251122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1881737641 + 329785600 = 43379^2 + 18160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211523241 - 2³⁰ = 1137781417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2211523141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105761620 + 1105761621.

It is an arithmetic number, because the mean of its divisors is an integer number (1105761621).

Almost surely, 2^2211523241 is an apocalyptic number.

It is an amenable number.

2211523241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211523241 is an equidigital number, since it uses as much as digits as its factorization.

2211523241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 2211523241 is about 47026.8353283527. The cubic root of 2211523241 is about 1302.8582556431.

Adding to 2211523241 its reverse (1423251122), we get a palindrome (3634774363).

The spelling of 2211523241 in words is "two billion, two hundred eleven million, five hundred twenty-three thousand, two hundred forty-one".