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224223001 is a prime number
BaseRepresentation
bin11010101110101…
…01111100011001
3120121220201010121
431113111330121
5424400114001
634125513241
75361602242
oct1527257431
9517821117
10224223001
11105628072
1263112821
13375b8942
1421ac9cc9
1514a416a1
hexd5d5f19

224223001 has 2 divisors, whose sum is σ = 224223002. Its totient is φ = 224223000.

The previous prime is 224222989. The next prime is 224223011. The reversal of 224223001 is 100322422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191102976 + 33120025 = 13824^2 + 5755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-224223001 is a prime.

It is not a weakly prime, because it can be changed into another prime (224223011) 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, 112111500 + 112111501.

It is an arithmetic number, because the mean of its divisors is an integer number (112111501).

Almost surely, 2224223001 is an apocalyptic number.

It is an amenable number.

224223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

224223001 is an equidigital number, since it uses as much as digits as its factorization.

224223001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 224223001 is about 14974.0776343653. The cubic root of 224223001 is about 607.5192639547.

Adding to 224223001 its reverse (100322422), we get a palindrome (324545423).

The spelling of 224223001 in words is "two hundred twenty-four million, two hundred twenty-three thousand, one".