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224323081 is a prime number
BaseRepresentation
bin11010101111011…
…10011000001001
3120122002210102021
431113232120021
5424411314311
634132004441
75362500103
oct1527563011
9518083367
10224323081
11105696284
1263160721
1337622368
1421b14573
1514a61171
hexd5ee609

224323081 has 2 divisors, whose sum is σ = 224323082. Its totient is φ = 224323080.

The previous prime is 224323067. The next prime is 224323093. The reversal of 224323081 is 180323422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222487056 + 1836025 = 14916^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 224323081 - 211 = 224321033 is a prime.

It is a super-2 number, since 2×2243230812 = 100641689338665122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224423081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112161540 + 112161541.

It is an arithmetic number, because the mean of its divisors is an integer number (112161541).

Almost surely, 2224323081 is an apocalyptic number.

It is an amenable number.

224323081 is a deficient number, since it is larger than the sum of its proper divisors (1).

224323081 is an equidigital number, since it uses as much as digits as its factorization.

224323081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 224323081 is about 14977.4190366698. The cubic root of 224323081 is about 607.6096375024.

The spelling of 224323081 in words is "two hundred twenty-four million, three hundred twenty-three thousand, eighty-one".