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2222002002001 is a prime number
BaseRepresentation
bin100000010101011001101…
…000111101100001010001
321212102101010210001011111
4200111121220331201101
5242401130003031001
64420435034213321
7316351165246345
oct40253150754121
97772333701144
102222002002001
11787389225811
122ba77bb84241
131316c2c56832
147978cab3625
153cbecd28851
hex20559a3d851

2222002002001 has 2 divisors, whose sum is σ = 2222002002002. Its totient is φ = 2222002002000.

The previous prime is 2222002001987. The next prime is 2222002002037. The reversal of 2222002002001 is 1002002002222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1643398366401 + 578603635600 = 1281951^2 + 760660^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222002002001 - 223 = 2221993613393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222002002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111001001000 + 1111001001001.

It is an arithmetic number, because the mean of its divisors is an integer number (1111001001001).

Almost surely, 22222002002001 is an apocalyptic number.

It is an amenable number.

2222002002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222002002001 is an equidigital number, since it uses as much as digits as its factorization.

2222002002001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2222002002001 its reverse (1002002002222), we get a palindrome (3224004004223).

The spelling of 2222002002001 in words is "two trillion, two hundred twenty-two billion, two million, two thousand, one".