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2220102220122 = 2323718451180667
BaseRepresentation
bin100000010011101000011…
…001110111100101011010
321212020110202000010100200
4200103220121313211122
5242333232132020442
64415522331243030
7316253126335563
oct40235031674532
97766422003320
102220102220122
117865a3909546
122ba32b8a9476
1313147c49b347
147964c66516a
153cb3b16034c
hex204e867795a

2220102220122 has 48 divisors (see below), whose sum is σ = 4940522557152. Its totient is φ = 719990143200.

The previous prime is 2220102220069. The next prime is 2220102220123. The reversal of 2220102220122 is 2210222010222.

2220102220122 is a `hidden beast` number, since 2 + 220 + 102 + 220 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220102220095 and 2220102220104.

It is not an unprimeable number, because it can be changed into a prime (2220102220123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12198033 + ... + 12378699.

It is an arithmetic number, because the mean of its divisors is an integer number (102927553274).

Almost surely, 22220102220122 is an apocalyptic number.

2220102220122 is an abundant number, since it is smaller than the sum of its proper divisors (2720420337030).

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

2220102220122 is a wasteful number, since it uses less digits than its factorization.

2220102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199163 (or 199160 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2220102220122 its reverse (2210222010222), we get a palindrome (4430324230344).

The spelling of 2220102220122 in words is "two trillion, two hundred twenty billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 18451 36902 55353 110706 166059 180667 332118 361334 542001 682687 1084002 1365374 1626003 2048061 3252006 4096122 6144183 6684679 12288366 13369358 20054037 40108074 60162111 120324222 3333486817 6666973634 10000460451 20000920902 30001381353 60002762706 123339012229 246678024458 370017036687 740034073374 1110051110061 2220102220122