2200219981 has 2 divisors, whose sum is σ = 2200219982. Its totient is φ = 2200219980.

The previous prime is 2200219979. The next prime is 2200220017. The reversal of 2200219981 is 1899120022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1126609225 + 1073610756 = 33565^2 + 32766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200219981 - 2¹ = 2200219979 is a prime.

It is a super-3 number, since 3×2200219981³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2200219979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200219081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100109990 + 1100109991.

It is an arithmetic number, because the mean of its divisors is an integer number (1100109991).

Almost surely, 2^2200219981 is an apocalyptic number.

It is an amenable number.

2200219981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200219981 is an equidigital number, since it uses as much as digits as its factorization.

2200219981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 2200219981 is about 46906.5025449564. The cubic root of 2200219981 is about 1300.6347947107.

The spelling of 2200219981 in words is "two billion, two hundred million, two hundred nineteen thousand, nine hundred eighty-one".