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222102112 = 256940691
BaseRepresentation
bin11010011110100…
…00001001100000
3120110220221211011
431033100021200
5423324231422
634012230304
75334560011
oct1517201140
9513827734
10222102112
11104409671
126246b394
133702548b
14216d7008
1514773077
hexd3d0260

222102112 has 12 divisors (see below), whose sum is σ = 437263596. Its totient is φ = 111051040.

The previous prime is 222102031. The next prime is 222102121. The reversal of 222102112 is 211201222.

It is a happy number.

It is a super-3 number, since 3×2221021123 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222102092 and 222102101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470314 + ... + 3470377.

It is an arithmetic number, because the mean of its divisors is an integer number (36438633).

Almost surely, 2222102112 is an apocalyptic number.

It is an amenable number.

222102112 is a deficient number, since it is larger than the sum of its proper divisors (215161484).

222102112 is an equidigital number, since it uses as much as digits as its factorization.

222102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940701 (or 6940693 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222102112 is about 14903.0906861631. The cubic root of 222102112 is about 605.5977172314.

Adding to 222102112 its reverse (211201222), we get a palindrome (433303334).

The spelling of 222102112 in words is "two hundred twenty-two million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 6940691 13881382 27762764 55525528 111051056 222102112