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22042301161 is a prime number
BaseRepresentation
bin10100100001110100…
…101101001011101001
32002220011110220202111
4110201310231023221
5330120312114121
614043123002321
71410141316456
oct244164551351
962804426674
1022042301161
119391339121
124331b093a1
13210384306a
1410d163282d
158901d72e1
hex521d2d2e9

22042301161 has 2 divisors, whose sum is σ = 22042301162. Its totient is φ = 22042301160.

The previous prime is 22042301159. The next prime is 22042301173. The reversal of 22042301161 is 16110324022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19900462761 + 2141838400 = 141069^2 + 46280^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042301161 - 21 = 22042301159 is a prime.

Together with 22042301159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22042301111) 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, 11021150580 + 11021150581.

It is an arithmetic number, because the mean of its divisors is an integer number (11021150581).

Almost surely, 222042301161 is an apocalyptic number.

It is an amenable number.

22042301161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22042301161 is an equidigital number, since it uses as much as digits as its factorization.

22042301161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22042301161 its reverse (16110324022), we get a palindrome (38152625183).

The spelling of 22042301161 in words is "twenty-two billion, forty-two million, three hundred one thousand, one hundred sixty-one".