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2222221000117 is a prime number
BaseRepresentation
bin100000010101100110101…
…100010111110110110101
321212102221101212022002211
4200111212230113312311
5242402102034000432
64420512500133421
7316356464560666
oct40254654276665
97772841768084
102222221000117
11787490904298
122ba821397271
13131729433211
14797adbdd36d
153cc12186d47
hex20566b17db5

2222221000117 has 2 divisors, whose sum is σ = 2222221000118. Its totient is φ = 2222221000116.

The previous prime is 2222221000081. The next prime is 2222221000123. The reversal of 2222221000117 is 7110001222222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140269451556 + 1081951548561 = 1067834^2 + 1040169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222221000117 - 211 = 2222220998069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222221000127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111110500058 + 1111110500059.

It is an arithmetic number, because the mean of its divisors is an integer number (1111110500059).

Almost surely, 22222221000117 is an apocalyptic number.

It is an amenable number.

2222221000117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222221000117 is an equidigital number, since it uses as much as digits as its factorization.

2222221000117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 2222221000117 its reverse (7110001222222), we get a palindrome (9332222222339).

The spelling of 2222221000117 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred seventeen", and thus it is an aban number.