2212321939 has 2 divisors, whose sum is σ = 2212321940. Its totient is φ = 2212321938.

The previous prime is 2212321931. The next prime is 2212321949. The reversal of 2212321939 is 9391232122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212321939 - 2³ = 2212321931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212321931) 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, 1106160969 + 1106160970.

It is an arithmetic number, because the mean of its divisors is an integer number (1106160970).

Almost surely, 2^2212321939 is an apocalyptic number.

2212321939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212321939 is an equidigital number, since it uses as much as digits as its factorization.

2212321939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 2212321939 is about 47035.3265004082. The cubic root of 2212321939 is about 1303.0150804382.

The spelling of 2212321939 in words is "two billion, two hundred twelve million, three hundred twenty-one thousand, nine hundred thirty-nine".