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222230512 = 2471984201
BaseRepresentation
bin11010011111011…
…11011111110000
3120111011110221201
431033233133300
5423342334022
634015100544
75335633240
oct1517573760
9514143851
10222230512
11104497089
1262511754
133706ba5a
142172bb20
151479b127
hexd3ef7f0

222230512 has 20 divisors (see below), whose sum is σ = 492082096. Its totient is φ = 95241600.

The previous prime is 222230483. The next prime is 222230513. The reversal of 222230512 is 215032222.

It is a self number, because there is not a number n which added to its sum of digits gives 222230512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991989 + ... + 992212.

Almost surely, 2222230512 is an apocalyptic number.

It is an amenable number.

222230512 is an abundant number, since it is smaller than the sum of its proper divisors (269851584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222230512 is a wasteful number, since it uses less digits than its factorization.

222230512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984216 (or 1984210 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222230512 is about 14907.3978950050. The cubic root of 222230512 is about 605.7143959467.

Adding to 222230512 its reverse (215032222), we get a palindrome (437262734).

The spelling of 222230512 in words is "two hundred twenty-two million, two hundred thirty thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1984201 3968402 7936804 13889407 15873608 27778814 31747216 55557628 111115256 222230512