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2214243 = 3382009
BaseRepresentation
bin1000011100100101100011
311011111101000
420130211203
51031323433
6115243043
724551343
oct10344543
94144330
102214243
111282659
128a9483
135c6b05
14418d23
152db113
hex21c963

2214243 has 8 divisors (see below), whose sum is σ = 3280400. Its totient is φ = 1476144.

The previous prime is 2214221. The next prime is 2214257. The reversal of 2214243 is 3424122.

It is not a de Polignac number, because 2214243 - 212 = 2210147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40978 + ... + 41031.

It is an arithmetic number, because the mean of its divisors is an integer number (410050).

22214243 is an apocalyptic number.

2214243 is a deficient number, since it is larger than the sum of its proper divisors (1066157).

2214243 is an equidigital number, since it uses as much as digits as its factorization.

2214243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82018 (or 82012 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 2214243 is about 1488.0332657572. The cubic root of 2214243 is about 130.3392127320.

Adding to 2214243 its reverse (3424122), we get a palindrome (5638365).

The spelling of 2214243 in words is "two million, two hundred fourteen thousand, two hundred forty-three".

Divisors: 1 3 9 27 82009 246027 738081 2214243