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2224865 = 54110853
BaseRepresentation
bin1000011111001011100001
311012000221102
420133023201
51032143430
6115404145
724624326
oct10371341
94160842
102224865
11128a635
128b3655
135cb8b6
1441cb4d
152de345
hex21f2e1

2224865 has 8 divisors (see below), whose sum is σ = 2735208. Its totient is φ = 1736320.

The previous prime is 2224861. The next prime is 2224867. The reversal of 2224865 is 5684222.

2224865 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 4 ways, for example, as 7744 + 2217121 = 88^2 + 1489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2224865 - 22 = 2224861 is a prime.

It is a d-powerful number, because it can be written as 211 + 214 + 217 + 45 + 84 + 68 + 58 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5222 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (341901).

22224865 is an apocalyptic number.

It is an amenable number.

2224865 is a deficient number, since it is larger than the sum of its proper divisors (510343).

2224865 is a wasteful number, since it uses less digits than its factorization.

2224865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10899.

The product of its digits is 7680, while the sum is 29.

The square root of 2224865 is about 1491.5981362284. The cubic root of 2224865 is about 130.5472981716.

The spelling of 2224865 in words is "two million, two hundred twenty-four thousand, eight hundred sixty-five".

Divisors: 1 5 41 205 10853 54265 444973 2224865