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224221124 = 2271789511
BaseRepresentation
bin11010101110101…
…01011111000100
3120121220121120002
431113111133010
5424400033444
634125500432
75361563621
oct1527253704
9517817502
10224221124
11105626716
1263111718
13375b7b2a
1421ac9348
1514a40d4e
hexd5d57c4

224221124 has 12 divisors (see below), whose sum is σ = 397914048. Its totient is φ = 110531400.

The previous prime is 224221121. The next prime is 224221133. The reversal of 224221124 is 421122422.

It is a super-2 number, since 2×2242211242 = 100550224895646752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 224221096 and 224221105.

It is not an unprimeable number, because it can be changed into a prime (224221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394472 + ... + 395039.

It is an arithmetic number, because the mean of its divisors is an integer number (33159504).

Almost surely, 2224221124 is an apocalyptic number.

It is an amenable number.

224221124 is a deficient number, since it is larger than the sum of its proper divisors (173692924).

224221124 is a wasteful number, since it uses less digits than its factorization.

224221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789586 (or 789584 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 224221124 is about 14974.0149592552. The cubic root of 224221124 is about 607.5175687423.

Adding to 224221124 its reverse (421122422), we get a palindrome (645343546).

The spelling of 224221124 in words is "two hundred twenty-four million, two hundred twenty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 71 142 284 789511 1579022 3158044 56055281 112110562 224221124