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12222222230 = 251222222223
BaseRepresentation
bin10110110001000000…
…00100111110010110
31011112210021012221102
423120200010332112
5200012342102410
65340444350102
7611610113651
oct133040047626
934483235842
1012222222230
115202142509
122451245332
1311ca1cc87a
1483d346898
154b80192a5
hex2d8804f96

12222222230 has 8 divisors (see below), whose sum is σ = 22000000032. Its totient is φ = 4888888888.

The previous prime is 12222222197. The next prime is 12222222253. The reversal of 12222222230 is 3222222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 611111102 + ... + 611111121.

It is an arithmetic number, because the mean of its divisors is an integer number (2750000004).

Almost surely, 212222222230 is an apocalyptic number.

12222222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222222230 is a deficient number, since it is larger than the sum of its proper divisors (9777777802).

12222222230 is a wasteful number, since it uses less digits than its factorization.

12222222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222222230.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12222222230 its reverse (3222222221), we get a palindrome (15444444451).

Subtracting from 12222222230 its reverse (3222222221), we obtain a palindrome (9000000009).

The spelling of 12222222230 in words is "twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 1222222223 2444444446 6111111115 12222222230