2209982987 has 2 divisors, whose sum is σ = 2209982988. Its totient is φ = 2209982986.

The previous prime is 2209982959. The next prime is 2209982989. The reversal of 2209982987 is 7892899022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2209982987 - 2²⁴ = 2193205771 is a prime.

Together with 2209982989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2209982989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1104991493 + 1104991494.

It is an arithmetic number, because the mean of its divisors is an integer number (1104991494).

Almost surely, 2^2209982987 is an apocalyptic number.

2209982987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2209982987 is an equidigital number, since it uses as much as digits as its factorization.

2209982987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 2209982987 is about 47010.4561454151. The cubic root of 2209982987 is about 1302.5557192649. Note that the first 3 decimals are identical.

The spelling of 2209982987 in words is "two billion, two hundred nine million, nine hundred eighty-two thousand, nine hundred eighty-seven".