2204919943 has 2 divisors, whose sum is σ = 2204919944. Its totient is φ = 2204919942.

The previous prime is 2204919917. The next prime is 2204919989. The reversal of 2204919943 is 3499194022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2204919943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2204919943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204979943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102459971 + 1102459972.

It is an arithmetic number, because the mean of its divisors is an integer number (1102459972).

Almost surely, 2^2204919943 is an apocalyptic number.

2204919943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204919943 is an equidigital number, since it uses as much as digits as its factorization.

2204919943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 2204919943 is about 46956.5750774053. The cubic root of 2204919943 is about 1301.5602455963.

The spelling of 2204919943 in words is "two billion, two hundred four million, nine hundred nineteen thousand, nine hundred forty-three".