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10814162221 is a prime number
BaseRepresentation
bin10100001001001001…
…10000010100101101
31000220122202100201201
422010210300110231
5134121411142341
64545025005501
7531661601512
oct120444602455
930818670651
1010814162221
11464a349155
122119783891
13103458b575
14748337309
154345d1331
hex28493052d

10814162221 has 2 divisors, whose sum is σ = 10814162222. Its totient is φ = 10814162220.

The previous prime is 10814162209. The next prime is 10814162243. The reversal of 10814162221 is 12226141801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5773872196 + 5040290025 = 75986^2 + 70995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10814162221 is a prime.

It is a super-2 number, since 2×108141622212 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10814162221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10814162201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5407081110 + 5407081111.

It is an arithmetic number, because the mean of its divisors is an integer number (5407081111).

Almost surely, 210814162221 is an apocalyptic number.

It is an amenable number.

10814162221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10814162221 is an equidigital number, since it uses as much as digits as its factorization.

10814162221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The spelling of 10814162221 in words is "ten billion, eight hundred fourteen million, one hundred sixty-two thousand, two hundred twenty-one".