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2212243 = 11247389
BaseRepresentation
bin1000011100000110010011
311011101121221
420130012103
51031242433
6115225511
724542455
oct10340623
94141557
102212243
111281100
128a8297
135c5c27
144182d5
152da72d
hex21c193

2212243 has 12 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 1963280.

The previous prime is 2212241. The next prime is 2212247. The reversal of 2212243 is 3422122.

It is not a de Polignac number, because 2212243 - 21 = 2212241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5493 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (207480).

22212243 is an apocalyptic number.

2212243 is a deficient number, since it is larger than the sum of its proper divisors (277517).

2212243 is a wasteful number, since it uses less digits than its factorization.

2212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 447 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 2212243 is about 1487.3610859506. The cubic root of 2212243 is about 130.2999582403.

Adding to 2212243 its reverse (3422122), we get a palindrome (5634365).

The spelling of 2212243 in words is "two million, two hundred twelve thousand, two hundred forty-three".

Divisors: 1 11 47 121 389 517 4279 5687 18283 47069 201113 2212243