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2224225 = 5288969
BaseRepresentation
bin1000011111000001100001
311012000001201
420133001201
51032133400
6115401201
724622423
oct10370141
94160051
102224225
11128a103
128b3201
135cb513
1441c813
152de06a
hex21f061

2224225 has 6 divisors (see below), whose sum is σ = 2758070. Its totient is φ = 1779360.

The previous prime is 2224193. The next prime is 2224231. The reversal of 2224225 is 5224222.

It can be written as a sum of positive squares in 3 ways, for example, as 253009 + 1971216 = 503^2 + 1404^2 .

It is not a de Polignac number, because 2224225 - 25 = 2224193 is a prime.

2224225 is a lucky number.

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, 44460 + ... + 44509.

22224225 is an apocalyptic number.

2224225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2224225 is a deficient number, since it is larger than the sum of its proper divisors (533845).

2224225 is an equidigital number, since it uses as much as digits as its factorization.

2224225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88979 (or 88974 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 2224225 is about 1491.3835858021. The cubic root of 2224225 is about 130.5347793172.

Adding to 2224225 its reverse (5224222), we get a palindrome (7448447).

The spelling of 2224225 in words is "two million, two hundred twenty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 88969 444845 2224225