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224504225 = 52112928151
BaseRepresentation
bin11010110000110…
…10100110100001
3120122102222220022
431120122212201
5424433113400
634135523225
75364153161
oct1530324641
9518388808
10224504225
111057aa390
1263229515
133768694a
1421b605a1
1514a99b85
hexd61a9a1

224504225 has 24 divisors (see below), whose sum is σ = 314176320. Its totient is φ = 157640000.

The previous prime is 224504213. The next prime is 224504239. The reversal of 224504225 is 522405422.

It is not a de Polignac number, because 224504225 - 216 = 224438689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224504194 and 224504203.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 6101 + ... + 22050.

It is an arithmetic number, because the mean of its divisors is an integer number (13090680).

Almost surely, 2224504225 is an apocalyptic number.

224504225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224504225 is a deficient number, since it is larger than the sum of its proper divisors (89672095).

224504225 is a wasteful number, since it uses less digits than its factorization.

224504225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201 (or 28196 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 224504225 is about 14983.4650531845. The cubic root of 224504225 is about 607.7731445695.

Adding to 224504225 its reverse (522405422), we get a palindrome (746909647).

The spelling of 224504225 in words is "two hundred twenty-four million, five hundred four thousand, two hundred twenty-five".

Divisors: 1 5 11 25 29 55 145 275 319 725 1595 7975 28151 140755 309661 703775 816379 1548305 4081895 7741525 8980169 20409475 44900845 224504225