Search a number
BaseRepresentation
bin110010000100010110010111…
…000001101100011001001110
31001212200000211002011102101110
4302010112113001230121032
5212330234040244232342
62100155012413152450
764245004212105231
oct6204262701543116
91055600732142343
10220201212102222
116418789a66395a
122084457848b726
1395b3b67a32920
143c53b1cd23418
151a6ce139c5c9c
hexc8459706c64e

220201212102222 has 256 divisors, whose sum is σ = 494697257349120. Its totient is φ = 64920402892800.

The previous prime is 220201212102199. The next prime is 220201212102239. The reversal of 220201212102222 is 222201212102022.

It is a super-2 number, since 2×2202012121022222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 25613722828 + ... + 25613731424.

It is an arithmetic number, because the mean of its divisors is an integer number (1932411161520).

Almost surely, 2220201212102222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220201212102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247348628674560).

220201212102222 is an abundant number, since it is smaller than the sum of its proper divisors (274496045246898).

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

220201212102222 is a wasteful number, since it uses less digits than its factorization.

220201212102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220201212102222 its reverse (222201212102022), we get a palindrome (442402424204244).

The spelling of 220201212102222 in words is "two hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred two thousand, two hundred twenty-two".