2201994617 has 2 divisors, whose sum is σ = 2201994618. Its totient is φ = 2201994616.

The previous prime is 2201994593. The next prime is 2201994643. The reversal of 2201994617 is 7164991022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1713628816 + 488365801 = 41396^2 + 22099^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201994617 - 2¹⁰ = 2201993593 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201994917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100997308 + 1100997309.

It is an arithmetic number, because the mean of its divisors is an integer number (1100997309).

Almost surely, 2^2201994617 is an apocalyptic number.

It is an amenable number.

2201994617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201994617 is an equidigital number, since it uses as much as digits as its factorization.

2201994617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 2201994617 is about 46925.4154696578. The cubic root of 2201994617 is about 1300.9843859733.

The spelling of 2201994617 in words is "two billion, two hundred one million, nine hundred ninety-four thousand, six hundred seventeen".