2212201987 has 2 divisors, whose sum is σ = 2212201988. Its totient is φ = 2212201986.

The previous prime is 2212201963. The next prime is 2212202021. The reversal of 2212201987 is 7891022122.

It is an a-pointer prime, because the next prime (2212202021) can be obtained adding 2212201987 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212201987 - 2¹¹ = 2212199939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212241987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106100993 + 1106100994.

It is an arithmetic number, because the mean of its divisors is an integer number (1106100994).

Almost surely, 2^2212201987 is an apocalyptic number.

2212201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212201987 is an equidigital number, since it uses as much as digits as its factorization.

2212201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 2212201987 is about 47034.0513564375. The cubic root of 2212201987 is about 1302.9915302054.

The spelling of 2212201987 in words is "two billion, two hundred twelve million, two hundred one thousand, nine hundred eighty-seven".