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2220211117 is a prime number
BaseRepresentation
bin1000010001010101…
…1011101110101101
312201201201102002101
42010111123232231
514021333223432
61004150455101
7106006324465
oct20425335655
95651642071
102220211117
11a3a284523
1251b664491
13294c89bb7
14170c1cba5
15cedb04e7
hex8455bbad

2220211117 has 2 divisors, whose sum is σ = 2220211118. Its totient is φ = 2220211116.

The previous prime is 2220211111. The next prime is 2220211139. The reversal of 2220211117 is 7111120222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1949575716 + 270635401 = 44154^2 + 16451^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220211117 - 231 = 72727469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220211094 and 2220211103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110105558 + 1110105559.

It is an arithmetic number, because the mean of its divisors is an integer number (1110105559).

Almost surely, 22220211117 is an apocalyptic number.

It is an amenable number.

2220211117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220211117 is an equidigital number, since it uses as much as digits as its factorization.

2220211117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2220211117 is about 47119.1162586906. The cubic root of 2220211117 is about 1304.5621010381.

Adding to 2220211117 its reverse (7111120222), we get a palindrome (9331331339).

The spelling of 2220211117 in words is "two billion, two hundred twenty million, two hundred eleven thousand, one hundred seventeen".