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220212202121222 = 2543445920260729
BaseRepresentation
bin110010000100100000100110…
…000101010010100000000110
31001212201002011222211020021012
4302010200212011102200012
5212330424042220334342
62100204031123322222
764245543440531033
oct6204404605224006
91055632158736235
10220212202121222
116419151a1a4893
1220846724b20372
1395b4bc987424c
143c5448275638a
151a6d358742b82
hexc84826152806

220212202121222 has 8 divisors (see below), whose sum is σ = 330318380267400. Its totient is φ = 110106075365424.

The previous prime is 220212202121203. The next prime is 220212202121227. The reversal of 220212202121222 is 222121202212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2202122021212222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212202121227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738554 + ... + 20999282.

It is an arithmetic number, because the mean of its divisors is an integer number (41289797533425).

Almost surely, 2220212202121222 is an apocalyptic number.

220212202121222 is a deficient number, since it is larger than the sum of its proper divisors (110106178146178).

220212202121222 is a wasteful number, since it uses less digits than its factorization.

220212202121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25695190.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 220212202121222 its reverse (222121202212022), we get a palindrome (442333404333244).

The spelling of 220212202121222 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 5434459 10868918 20260729 40521458 110106101060611 220212202121222