2211530873 has 2 divisors, whose sum is σ = 2211530874. Its totient is φ = 2211530872.

The previous prime is 2211530863. The next prime is 2211530899. The reversal of 2211530873 is 3780351122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2078174569 + 133356304 = 45587^2 + 11548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211530873 - 2⁸ = 2211530617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211530863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105765436 + 1105765437.

It is an arithmetic number, because the mean of its divisors is an integer number (1105765437).

Almost surely, 2^2211530873 is an apocalyptic number.

It is an amenable number.

2211530873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211530873 is an equidigital number, since it uses as much as digits as its factorization.

2211530873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2211530873 is about 47026.9164734410. The cubic root of 2211530873 is about 1302.8597543692.

Adding to 2211530873 its reverse (3780351122), we get a palindrome (5991881995).

The spelling of 2211530873 in words is "two billion, two hundred eleven million, five hundred thirty thousand, eight hundred seventy-three".