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2284225 = 5291369
BaseRepresentation
bin1000101101101011000001
311022001100221
420231223001
51041043400
6120543041
725262356
oct10555301
94261327
102284225
111320199
12921a81
1361c918
1443662d
15301c1a
hex22dac1

2284225 has 6 divisors (see below), whose sum is σ = 2832470. Its totient is φ = 1827360.

The previous prime is 2284223. The next prime is 2284229. The reversal of 2284225 is 5224822.

It can be written as a sum of positive squares in 3 ways, for example, as 565504 + 1718721 = 752^2 + 1311^2 .

It is not a de Polignac number, because 2284225 - 21 = 2284223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 91369 = 2284225 / (2 + 2 + 8 + 4 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2284225.

It is not an unprimeable number, because it can be changed into a prime (2284223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45660 + ... + 45709.

22284225 is an apocalyptic number.

2284225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2284225 is a deficient number, since it is larger than the sum of its proper divisors (548245).

2284225 is an equidigital number, since it uses as much as digits as its factorization.

2284225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91379 (or 91374 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 2284225 is about 1511.3652768275. The cubic root of 2284225 is about 131.6981355820.

The spelling of 2284225 in words is "two million, two hundred eighty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 91369 456845 2284225