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12222320404 = 2271492929607
BaseRepresentation
bin10110110001000000…
…11100111100010100
31011112210110012121111
423120200130330110
5200012403223104
65340450424404
7611611003120
oct133040347424
934483405544
1012222320404
1152021aa248
122451292104
1311ca235468
1483d370580
154b8038404
hex2d881cf14

12222320404 has 24 divisors (see below), whose sum is σ = 24608707200. Its totient is φ = 5202980256.

The previous prime is 12222320401. The next prime is 12222320413. The reversal of 12222320404 is 40402322221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222320401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460632 + ... + 1468975.

It is an arithmetic number, because the mean of its divisors is an integer number (1025362800).

Almost surely, 212222320404 is an apocalyptic number.

12222320404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12222320404 is an abundant number, since it is smaller than the sum of its proper divisors (12386386796).

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

12222320404 is a wasteful number, since it uses less digits than its factorization.

12222320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929767 (or 2929765 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12222320404 its reverse (40402322221), we get a palindrome (52624642625).

The spelling of 12222320404 in words is "twelve billion, two hundred twenty-two million, three hundred twenty thousand, four hundred four".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 2929607 5859214 11718428 20507249 41014498 82028996 436511443 873022886 1746045772 3055580101 6111160202 12222320404