2200998979 has 2 divisors, whose sum is σ = 2200998980. Its totient is φ = 2200998978.

The previous prime is 2200998973. The next prime is 2200999001. The reversal of 2200998979 is 9798990022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2200998979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2200998973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100499489 + 1100499490.

It is an arithmetic number, because the mean of its divisors is an integer number (1100499490).

Almost surely, 2^2200998979 is an apocalyptic number.

2200998979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200998979 is an equidigital number, since it uses as much as digits as its factorization.

2200998979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 2200998979 is about 46914.8055415345. The cubic root of 2200998979 is about 1300.7882751749.

The spelling of 2200998979 in words is "two billion, two hundred million, nine hundred ninety-eight thousand, nine hundred seventy-nine".