2212323709 has 2 divisors, whose sum is σ = 2212323710. Its totient is φ = 2212323708.

The previous prime is 2212323703. The next prime is 2212323733. The reversal of 2212323709 is 9073232122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1668967609 + 543356100 = 40853^2 + 23310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212323709 - 2¹³ = 2212315517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212323703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106161854 + 1106161855.

It is an arithmetic number, because the mean of its divisors is an integer number (1106161855).

Almost surely, 2^2212323709 is an apocalyptic number.

It is an amenable number.

2212323709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212323709 is an equidigital number, since it uses as much as digits as its factorization.

2212323709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2212323709 is about 47035.3453160493. The cubic root of 2212323709 is about 1303.0154279367.

The spelling of 2212323709 in words is "two billion, two hundred twelve million, three hundred twenty-three thousand, seven hundred nine".