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2242987169 is a prime number
BaseRepresentation
bin1000010110110001…
…0100010010100001
312210022120112221212
42011230110102201
514043201042134
61010322555505
7106404035123
oct20554242241
95708515855
102242987169
11a51120505
12527208b95
13299902a57
14173c6b213
15d1dadbce
hex85b144a1

2242987169 has 2 divisors, whose sum is σ = 2242987170. Its totient is φ = 2242987168.

The previous prime is 2242987151. The next prime is 2242987171. The reversal of 2242987169 is 9617892422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2143227025 + 99760144 = 46295^2 + 9988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2242987169 is a prime.

It is a super-2 number, since 2×22429871692 = 10061982880597269122, which contains 22 as substring.

Together with 2242987171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2242987469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121493584 + 1121493585.

It is an arithmetic number, because the mean of its divisors is an integer number (1121493585).

Almost surely, 22242987169 is an apocalyptic number.

It is an amenable number.

2242987169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242987169 is an equidigital number, since it uses as much as digits as its factorization.

2242987169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 50.

The square root of 2242987169 is about 47360.1854831672. The cubic root of 2242987169 is about 1309.0078864323.

The spelling of 2242987169 in words is "two billion, two hundred forty-two million, nine hundred eighty-seven thousand, one hundred sixty-nine".