2312210009 has 2 divisors, whose sum is σ = 2312210010. Its totient is φ = 2312210008.

The previous prime is 2312209961. The next prime is 2312210027. The reversal of 2312210009 is 9000122132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2067975625 + 244234384 = 45475^2 + 15628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312210009 - 2¹² = 2312205913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312210039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156105004 + 1156105005.

It is an arithmetic number, because the mean of its divisors is an integer number (1156105005).

Almost surely, 2^2312210009 is an apocalyptic number.

It is an amenable number.

2312210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312210009 is an equidigital number, since it uses as much as digits as its factorization.

2312210009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2312210009 is about 48085.4448768024. Note that the first 3 decimals coincide. The cubic root of 2312210009 is about 1322.3378391633.

The spelling of 2312210009 in words is "two billion, three hundred twelve million, two hundred ten thousand, nine".