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224555225 = 528982209
BaseRepresentation
bin11010110001001…
…11000011011001
3120122112120212012
431120213003121
5424441231400
634140555305
75364454646
oct1530470331
9518476765
10224555225
11105834734
1263252b35
13376a3c1b
1421b74dcd
1514aa9d35
hexd6270d9

224555225 has 6 divisors (see below), whose sum is σ = 278448510. Its totient is φ = 179644160.

The previous prime is 224555203. The next prime is 224555231. The reversal of 224555225 is 522555422.

224555225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 34969 + 224520256 = 187^2 + 14984^2 .

It is not a de Polignac number, because 224555225 - 210 = 224554201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 224555191 and 224555200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4491080 + ... + 4491129.

It is an arithmetic number, because the mean of its divisors is an integer number (46408085).

Almost surely, 2224555225 is an apocalyptic number.

224555225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224555225 is a deficient number, since it is larger than the sum of its proper divisors (53893285).

224555225 is an equidigital number, since it uses as much as digits as its factorization.

224555225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982219 (or 8982214 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 224555225 is about 14985.1668325715. The cubic root of 224555225 is about 607.8191631297.

The spelling of 224555225 in words is "two hundred twenty-four million, five hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 25 8982209 44911045 224555225