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220222112 = 2511625631
BaseRepresentation
bin11010010000001…
…01001010100000
3120100101102221112
431020011022200
5422334101422
633504042452
75312566655
oct1510051240
9510342845
10220222112
11103345150
1261903428
1336817856
1421367c2c
1514500ee2
hexd2052a0

220222112 has 24 divisors (see below), whose sum is σ = 472977792. Its totient is φ = 100100800.

The previous prime is 220222087. The next prime is 220222147. The reversal of 220222112 is 211222022.

It is a super-2 number, since 2×2202221122 = 96995557227481088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312464 + ... + 313167.

It is an arithmetic number, because the mean of its divisors is an integer number (19707408).

Almost surely, 2220222112 is an apocalyptic number.

220222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220222112 is an abundant number, since it is smaller than the sum of its proper divisors (252755680).

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

220222112 is a wasteful number, since it uses less digits than its factorization.

220222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625652 (or 625644 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 220222112 is about 14839.8824793190. The cubic root of 220222112 is about 603.8841641524.

Adding to 220222112 its reverse (211222022), we get a palindrome (431444134).

The spelling of 220222112 in words is "two hundred twenty million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 625631 1251262 2502524 5005048 6881941 10010096 13763882 20020192 27527764 55055528 110111056 220222112