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222122102202220 = 225111009645919101
BaseRepresentation
bin110010100000010011010100…
…111111111001111101101100
31002010110122222012202222000011
4302200103110333321331230
5213103222031130432340
62104225252434343004
764533535521415363
oct6240232477717554
91063418865688004
10222122102202220
11648584aaa889a0
1220ab490272aa64
1396c30416a067c
143cbcaa4d387da
151aa2d8b7080ea
hexca04d4ff9f6c

222122102202220 has 24 divisors (see below), whose sum is σ = 508861543227408. Its totient is φ = 80771673528000.

The previous prime is 222122102202173. The next prime is 222122102202223. The reversal of 222122102202220 is 22202201221222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222122102202191 and 222122102202200.

It is not an unprimeable number, because it can be changed into a prime (222122102202223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504822959331 + ... + 504822959770.

It is an arithmetic number, because the mean of its divisors is an integer number (21202564301142).

Almost surely, 2222122102202220 is an apocalyptic number.

222122102202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122102202220 is an abundant number, since it is smaller than the sum of its proper divisors (286739441025188).

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

222122102202220 is a wasteful number, since it uses less digits than its factorization.

222122102202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009645919121 (or 1009645919119 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222122102202220 its reverse (22202201221222), we get a palindrome (244324303423442).

The spelling of 222122102202220 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1009645919101 2019291838202 4038583676404 5048229595505 10096459191010 11106105110111 20192918382020 22212210220222 44424420440444 55530525550555 111061051101110 222122102202220