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1222220000222 = 213361071301921
BaseRepresentation
bin10001110010010001111…
…111010010101111011110
311022211202121120002000122
4101302101333102233132
5130011101310001342
62333251412154542
7154205515405544
oct21622177225736
94284677502018
101222220000222
11431382366141
12178a5b008a52
138b340ba7530
14432275b5d94
1521bd57c44d2
hex11c91fd2bde

1222220000222 has 16 divisors (see below), whose sum is σ = 1974411582192. Its totient is φ = 564085482240.

The previous prime is 1222220000219. The next prime is 1222220000293. The reversal of 1222220000222 is 2220000222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222220000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287822 + ... + 1589742.

It is an arithmetic number, because the mean of its divisors is an integer number (123400723887).

Almost surely, 21222220000222 is an apocalyptic number.

1222220000222 is a deficient number, since it is larger than the sum of its proper divisors (752191581970).

1222220000222 is a wasteful number, since it uses less digits than its factorization.

1222220000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338043.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1222220000222 its reverse (2220000222221), we get a palindrome (3442220222443).

The spelling of 1222220000222 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 13 26 36107 72214 469391 938782 1301921 2603842 16924973 33849946 47008461547 94016923094 611110000111 1222220000222