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222002101 is a prime number
BaseRepresentation
bin11010011101101…
…11101110110101
3120110201212122001
431032313232311
5423313031401
634010135301
75333662306
oct1516675665
9513655561
10222002101
11104350512
1262421531
1336cbbab9
14216ac7ad
1514753601
hexd3b7bb5

222002101 has 2 divisors, whose sum is σ = 222002102. Its totient is φ = 222002100.

The previous prime is 222002089. The next prime is 222002113. The reversal of 222002101 is 101200222.

It is a balanced prime because it is at equal distance from previous prime (222002089) and next prime (222002113).

It can be written as a sum of positive squares in only one way, i.e., 112381201 + 109620900 = 10601^2 + 10470^2 .

It is a cyclic number.

It is not a de Polignac number, because 222002101 - 25 = 222002069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222002171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111001050 + 111001051.

It is an arithmetic number, because the mean of its divisors is an integer number (111001051).

Almost surely, 2222002101 is an apocalyptic number.

It is an amenable number.

222002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222002101 is an equidigital number, since it uses as much as digits as its factorization.

222002101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 222002101 is about 14899.7349305281. The cubic root of 222002101 is about 605.5068048039.

Adding to 222002101 its reverse (101200222), we get a palindrome (323202323).

The spelling of 222002101 in words is "two hundred twenty-two million, two thousand, one hundred one".