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12422333220 = 22351118821717
BaseRepresentation
bin10111001000110110…
…11100001100100100
31012001201210220121120
423210123130030210
5200420104130340
65412353413540
7616560042633
oct134433341444
935051726546
1012422333220
1152a50a08a0
1224a826a2b0
13122c7c553b
1485bb5751a
154ca8964d0
hex2e46dc324

12422333220 has 48 divisors (see below), whose sum is σ = 37944583488. Its totient is φ = 3011474560.

The previous prime is 12422333149. The next prime is 12422333233. The reversal of 12422333220 is 2233322421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9410199 + ... + 9411518.

It is an arithmetic number, because the mean of its divisors is an integer number (790512156).

Almost surely, 212422333220 is an apocalyptic number.

12422333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12422333220 is an abundant number, since it is smaller than the sum of its proper divisors (25522250268).

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

12422333220 is a wasteful number, since it uses less digits than its factorization.

12422333220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821740 (or 18821738 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12422333220 its reverse (2233322421), we get a palindrome (14655655641).

The spelling of 12422333220 in words is "twelve billion, four hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 18821717 37643434 56465151 75286868 94108585 112930302 188217170 207038887 225860604 282325755 376434340 414077774 564651510 621116661 828155548 1035194435 1129303020 1242233322 2070388870 2484466644 3105583305 4140777740 6211166610 12422333220