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1220223000222 = 232371832166667
BaseRepresentation
bin10001110000011010111…
…101010101111010011110
311022122121102211222000200
4101300122331111322132
5124443004042001342
62332321313404330
7154105156240242
oct21603275257236
94278542758020
101220223000222
11430548088516
121785a22696a6
138b0b3240825
14430b829c422
1521b1a30594c
hex11c1af55e9e

1220223000222 has 24 divisors (see below), whose sum is σ = 2715271001976. Its totient is φ = 395747999856.

The previous prime is 1220223000203. The next prime is 1220223000263. The reversal of 1220223000222 is 2220003220221.

1220223000222 is a `hidden beast` number, since 1 + 220 + 223 + 0 + 0 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1220223000195 and 1220223000204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916082668 + ... + 916083999.

It is an arithmetic number, because the mean of its divisors is an integer number (113136291749).

Almost surely, 21220223000222 is an apocalyptic number.

1220223000222 is an abundant number, since it is smaller than the sum of its proper divisors (1495048001754).

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

1220223000222 is a wasteful number, since it uses less digits than its factorization.

1220223000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832166712 (or 1832166709 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1220223000222 its reverse (2220003220221), we get a palindrome (3440226220443).

The spelling of 1220223000222 in words is "one trillion, two hundred twenty billion, two hundred twenty-three million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 1832166667 3664333334 5496500001 10993000002 16489500003 32979000006 67790166679 135580333358 203370500037 406741000074 610111500111 1220223000222