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2214289 = 711149193
BaseRepresentation
bin1000011100100110010001
311011111102201
420130212101
51031324124
6115243201
724551440
oct10344621
94144381
102214289
1112826a0
128a9501
135c6b3c
14418d57
152db144
hex21c991

2214289 has 16 divisors (see below), whose sum is σ = 2793600. Its totient is φ = 1704960.

The previous prime is 2214281. The next prime is 2214319. The reversal of 2214289 is 9824122.

It is a cyclic number.

It is not a de Polignac number, because 2214289 - 23 = 2214281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2214281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11377 + ... + 11569.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

22214289 is an apocalyptic number.

It is an amenable number.

2214289 is a deficient number, since it is larger than the sum of its proper divisors (579311).

2214289 is a wasteful number, since it uses less digits than its factorization.

2214289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its digits is 2304, while the sum is 28.

The square root of 2214289 is about 1488.0487223206. The cubic root of 2214289 is about 130.3401153071.

The spelling of 2214289 in words is "two million, two hundred fourteen thousand, two hundred eighty-nine".

Divisors: 1 7 11 77 149 193 1043 1351 1639 2123 11473 14861 28757 201299 316327 2214289