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22202212230072 = 2332744052008393
BaseRepresentation
bin1010000110001010110101…
…11110010010001110111000
32220121111210100021222021100
411003011122332102032320
510402230112312330242
6115115315553011400
74451025342101220
oct503053276221670
986544710258240
1022202212230072
11708a9a5aa2236
1225a6b2bb53b60
13c5087628b544
1456a842931080
152877e561d54c
hex14315af923b8

22202212230072 has 48 divisors (see below), whose sum is σ = 68721133094640. Its totient is φ = 6343489208448.

The previous prime is 22202212230071. The next prime is 22202212230101. The reversal of 22202212230072 is 27003221220222.

It is a happy number.

It is a super-2 number, since 2×222022122300722 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202212230071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22026003693 + ... + 22026004700.

It is an arithmetic number, because the mean of its divisors is an integer number (1431690272805).

Almost surely, 222202212230072 is an apocalyptic number.

It is an amenable number.

22202212230072 is an abundant number, since it is smaller than the sum of its proper divisors (46518920864568).

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

22202212230072 is a wasteful number, since it uses less digits than its factorization.

22202212230072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44052008412 (or 44052008405 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 22202212230072 its reverse (27003221220222), we get a palindrome (49205433450294).

The spelling of 22202212230072 in words is "twenty-two trillion, two hundred two billion, two hundred twelve million, two hundred thirty thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 44052008393 88104016786 132156025179 176208033572 264312050358 308364058751 352416067144 396468075537 528624100716 616728117502 792936151074 925092176253 1057248201432 1233456235004 1585872302148 1850184352506 2466912470008 2775276528759 3171744604296 3700368705012 5550553057518 7400737410024 11101106115036 22202212230072