2312242217 has 2 divisors, whose sum is σ = 2312242218. Its totient is φ = 2312242216.

The previous prime is 2312242213. The next prime is 2312242243. The reversal of 2312242217 is 7122422132.

It is an a-pointer prime, because the next prime (2312242243) can be obtained adding 2312242217 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2066975296 + 245266921 = 45464^2 + 15661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312242217 - 2² = 2312242213 is a prime.

It is not a weakly prime, because it can be changed into another prime (2312242211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156121108 + 1156121109.

It is an arithmetic number, because the mean of its divisors is an integer number (1156121109).

Almost surely, 2^2312242217 is an apocalyptic number.

It is an amenable number.

2312242217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312242217 is an equidigital number, since it uses as much as digits as its factorization.

2312242217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 26.

The square root of 2312242217 is about 48085.7797794733. The cubic root of 2312242217 is about 1322.3439789832.

Adding to 2312242217 its reverse (7122422132), we get a palindrome (9434664349).

The spelling of 2312242217 in words is "two billion, three hundred twelve million, two hundred forty-two thousand, two hundred seventeen".