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1222204130 = 257232926177
BaseRepresentation
bin100100011011001…
…0101101011100010
310011011210101212122
41020312111223202
510000341013010
6321140024242
742200364230
oct11066255342
93134711778
101222204130
115779a2064
122a1392082
13166299c14
14b846d950
1572474855
hex48d95ae2

1222204130 has 64 divisors (see below), whose sum is σ = 2714135040. Its totient is φ = 386985984.

The previous prime is 1222204111. The next prime is 1222204163. The reversal of 1222204130 is 314022221.

It is a junction number, because it is equal to n+sod(n) for n = 1222204099 and 1222204108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33602 + ... + 59778.

It is an arithmetic number, because the mean of its divisors is an integer number (42408360).

Almost surely, 21222204130 is an apocalyptic number.

1222204130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222204130 is an abundant number, since it is smaller than the sum of its proper divisors (1491930910).

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

1222204130 is a wasteful number, since it uses less digits than its factorization.

1222204130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26243.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1222204130 is about 34960.0361841918. The cubic root of 1222204130 is about 1069.1728343886.

Adding to 1222204130 its reverse (314022221), we get a palindrome (1536226351).

The spelling of 1222204130 in words is "one billion, two hundred twenty-two million, two hundred four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 23 29 35 46 58 70 115 145 161 203 230 290 322 406 667 805 1015 1334 1610 2030 3335 4669 6670 9338 23345 26177 46690 52354 130885 183239 261770 366478 602071 759133 916195 1204142 1518266 1832390 3010355 3795665 4214497 5313931 6020710 7591330 8428994 10627862 17460059 21072485 26569655 34920118 42144970 53139310 87300295 122220413 174600590 244440826 611102065 1222204130