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2224249 = 13116979
BaseRepresentation
bin1000011111000001111001
311012000002121
420133001321
51032133444
6115401241
724622456
oct10370171
94160077
102224249
11128a125
128b3221
135cb531
1441c82d
152de084
hex21f079

2224249 has 4 divisors (see below), whose sum is σ = 2241360. Its totient is φ = 2207140.

The previous prime is 2224247. The next prime is 2224259. The reversal of 2224249 is 9424222.

It is a happy number.

2224249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2224249 - 21 = 2224247 is a prime.

It is a super-2 number, since 2×22242492 = 9894567228002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2224247) 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 3 ways as a sum of consecutive naturals, for example, 8359 + ... + 8620.

It is an arithmetic number, because the mean of its divisors is an integer number (560340).

22224249 is an apocalyptic number.

It is an amenable number.

2224249 is a deficient number, since it is larger than the sum of its proper divisors (17111).

2224249 is a wasteful number, since it uses less digits than its factorization.

2224249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110.

The product of its digits is 2304, while the sum is 25.

The square root of 2224249 is about 1491.3916320001. The cubic root of 2224249 is about 130.5352488176.

The spelling of 2224249 in words is "two million, two hundred twenty-four thousand, two hundred forty-nine".

Divisors: 1 131 16979 2224249