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222104212 = 2211231113131
BaseRepresentation
bin11010011110100…
…00101010010100
3120110221001200221
431033100222110
5423324313322
634012244124
75334566101
oct1517205224
9513831627
10222104212
11104410200
1262470644
1337026415
14216d7aa8
15147739c7
hexd3d0a94

222104212 has 72 divisors (see below), whose sum is σ = 448310016. Its totient is φ = 96096000.

The previous prime is 222104203. The next prime is 222104227. The reversal of 222104212 is 212401222.

222104212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1695387 + ... + 1695517.

It is an arithmetic number, because the mean of its divisors is an integer number (6226528).

Almost surely, 2222104212 is an apocalyptic number.

222104212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222104212 is an abundant number, since it is smaller than the sum of its proper divisors (226205804).

222104212 is a wasteful number, since it uses less digits than its factorization.

222104212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 222104212 is about 14903.1611411808. The cubic root of 222104212 is about 605.5996258898.

Adding to 222104212 its reverse (212401222), we get a palindrome (434505434).

The spelling of 222104212 in words is "two hundred twenty-two million, one hundred four thousand, two hundred twelve".

Divisors: 1 2 4 11 22 31 44 62 113 121 124 131 226 242 262 341 452 484 524 682 1243 1364 1441 2486 2882 3503 3751 4061 4972 5764 7006 7502 8122 13673 14012 14803 15004 15851 16244 27346 29606 31702 38533 44671 54692 59212 63404 77066 89342 154132 162833 178684 325666 423863 458893 491381 651332 847726 917786 982762 1695452 1791163 1835572 1965524 3582326 5047823 7164652 10095646 20191292 55526053 111052106 222104212