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225052231 is a prime number
BaseRepresentation
bin11010110101000…
…00011001000111
3120200110211121211
431122200121013
5430103132411
634155352251
75401624645
oct1532403107
9520424554
10225052231
11106044088
1263452687
1337819201
1421c64195
1514b57221
hexd6a0647

225052231 has 2 divisors, whose sum is σ = 225052232. Its totient is φ = 225052230.

The previous prime is 225052193. The next prime is 225052237. The reversal of 225052231 is 132250522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225052231 - 211 = 225050183 is a prime.

It is a super-2 number, since 2×2250522312 = 101297013356154722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225052237) 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, 112526115 + 112526116.

It is an arithmetic number, because the mean of its divisors is an integer number (112526116).

Almost surely, 2225052231 is an apocalyptic number.

225052231 is a deficient number, since it is larger than the sum of its proper divisors (1).

225052231 is an equidigital number, since it uses as much as digits as its factorization.

225052231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225052231 is about 15001.7409323052. The cubic root of 225052231 is about 608.2672595446.

The spelling of 225052231 in words is "two hundred twenty-five million, fifty-two thousand, two hundred thirty-one".