2214212309 has 2 divisors, whose sum is σ = 2214212310. Its totient is φ = 2214212308.

The previous prime is 2214212303. The next prime is 2214212327. The reversal of 2214212309 is 9032124122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2213420209 + 792100 = 47047^2 + 890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214212309 - 2²⁸ = 1945776853 is a prime.

It is a super-2 number, since 2×2214212309² = 9805472298654222962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2214212303) 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, 1107106154 + 1107106155.

It is an arithmetic number, because the mean of its divisors is an integer number (1107106155).

Almost surely, 2^2214212309 is an apocalyptic number.

It is an amenable number.

2214212309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214212309 is an equidigital number, since it uses as much as digits as its factorization.

2214212309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2214212309 is about 47055.4174245644. The cubic root of 2214212309 is about 1303.3861053077.

The spelling of 2214212309 in words is "two billion, two hundred fourteen million, two hundred twelve thousand, three hundred nine".