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2218214 = 22813947
BaseRepresentation
bin1000011101100011100110
311011200211002
420131203212
51031440324
6115313302
724566045
oct10354346
94150732
102218214
111285639
128ab832
135c886b
1441a55c
152dc3ae
hex21d8e6

2218214 has 8 divisors (see below), whose sum is σ = 3340008. Its totient is φ = 1104880.

The previous prime is 2218213. The next prime is 2218219. The reversal of 2218214 is 4128122.

It is a happy number.

2218214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218213) 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, 1412 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (417501).

22218214 is an apocalyptic number.

2218214 is a deficient number, since it is larger than the sum of its proper divisors (1121794).

2218214 is a wasteful number, since it uses less digits than its factorization.

2218214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230.

The product of its digits is 256, while the sum is 20.

The square root of 2218214 is about 1489.3669796259. The cubic root of 2218214 is about 130.4170825225.

The spelling of 2218214 in words is "two million, two hundred eighteen thousand, two hundred fourteen".

Divisors: 1 2 281 562 3947 7894 1109107 2218214