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12300222 = 2311227821
BaseRepresentation
bin101110111010…
…111110111110
3212010220201210
4232322332332
511122101342
61115345250
7206356464
oct56727676
925126653
1012300222
116a41380
124152226
13271884c
1418c2834
15112e79c
hexbbafbe

12300222 has 32 divisors (see below), whose sum is σ = 26987904. Its totient is φ = 3706400.

The previous prime is 12300203. The next prime is 12300227. The reversal of 12300222 is 22200321.

It is a super-2 number, since 2×123002222 = 302590922498568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12300198 and 12300207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14572 + ... + 15392.

It is an arithmetic number, because the mean of its divisors is an integer number (843372).

Almost surely, 212300222 is an apocalyptic number.

12300222 is an abundant number, since it is smaller than the sum of its proper divisors (14687682).

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

12300222 is a wasteful number, since it uses less digits than its factorization.

12300222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 12300222 is about 3507.1672329674. The cubic root of 12300222 is about 230.8364127306.

Adding to 12300222 its reverse (22200321), we get a palindrome (34500543).

Subtracting 12300222 from its reverse (22200321), we obtain a palindrome (9900099).

The spelling of 12300222 in words is "twelve million, three hundred thousand, two hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 227 454 681 821 1362 1642 2463 2497 4926 4994 7491 9031 14982 18062 27093 54186 186367 372734 559101 1118202 2050037 4100074 6150111 12300222