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223042271 is a prime number
BaseRepresentation
bin11010100101101…
…01101011011111
3120112200201110212
431102311223133
5424044323041
634044323035
75345554004
oct1522655337
9515621425
10223042271
111049a0a61
126284347b
133729439a
142189d8ab
15148ab8eb
hexd4b5adf

223042271 has 2 divisors, whose sum is σ = 223042272. Its totient is φ = 223042270.

The previous prime is 223042223. The next prime is 223042297. The reversal of 223042271 is 172240322.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223042271 - 218 = 222780127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223042471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111521135 + 111521136.

It is an arithmetic number, because the mean of its divisors is an integer number (111521136).

Almost surely, 2223042271 is an apocalyptic number.

223042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

223042271 is an equidigital number, since it uses as much as digits as its factorization.

223042271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 223042271 is about 14934.5997937675. The cubic root of 223042271 is about 606.4510134293.

Adding to 223042271 its reverse (172240322), we get a palindrome (395282593).

The spelling of 223042271 in words is "two hundred twenty-three million, forty-two thousand, two hundred seventy-one".