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224022213 = 3331267649
BaseRepresentation
bin11010101101001…
…00111011000101
3120121112111201000
431112210323011
5424322202323
634121323513
75360104662
oct1526447305
9517474630
10224022213
11105500228
1263036599
133754842c
1421a76a69
1514a01e43
hexd5a4ec5

224022213 has 16 divisors (see below), whose sum is σ = 342592000. Its totient is φ = 144529920.

The previous prime is 224022203. The next prime is 224022221. The reversal of 224022213 is 312220422.

It is not a de Polignac number, because 224022213 - 212 = 224018117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224022203) 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, 132988 + ... + 134661.

It is an arithmetic number, because the mean of its divisors is an integer number (21412000).

Almost surely, 2224022213 is an apocalyptic number.

It is an amenable number.

224022213 is a deficient number, since it is larger than the sum of its proper divisors (118569787).

224022213 is a wasteful number, since it uses less digits than its factorization.

224022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267689 (or 267683 counting only the distinct ones).

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

The square root of 224022213 is about 14967.3716129453. The cubic root of 224022213 is about 607.3378686374.

Adding to 224022213 its reverse (312220422), we get a palindrome (536242635).

The spelling of 224022213 in words is "two hundred twenty-four million, twenty-two thousand, two hundred thirteen".

Divisors: 1 3 9 27 31 93 279 837 267649 802947 2408841 7226523 8297119 24891357 74674071 224022213