2212350409 has 2 divisors, whose sum is σ = 2212350410. Its totient is φ = 2212350408.

The previous prime is 2212350407. The next prime is 2212350449. The reversal of 2212350409 is 9040532122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028151225 + 184199184 = 45035^2 + 13572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212350409 - 2¹ = 2212350407 is a prime.

Together with 2212350407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2212350407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106175204 + 1106175205.

It is an arithmetic number, because the mean of its divisors is an integer number (1106175205).

Almost surely, 2^2212350409 is an apocalyptic number.

It is an amenable number.

2212350409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212350409 is an equidigital number, since it uses as much as digits as its factorization.

2212350409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2212350409 is about 47035.6291442987. The cubic root of 2212350409 is about 1303.0206698417.

The spelling of 2212350409 in words is "two billion, two hundred twelve million, three hundred fifty thousand, four hundred nine".