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222122122001020 = 22517368699345923
BaseRepresentation
bin110010100000010011010110…
…001011011011101001111100
31002010110200000121000211212001
4302200103112023123221330
5213103222101213013040
62104225254422552044
764533536151616003
oct6240232613335174
91063420017024761
10222122122001020
116485851018103a
1220ab4909298624
1396c3045813337
143cbcaa780dc3a
151aa2d8d31959a
hexca04d62dba7c

222122122001020 has 48 divisors (see below), whose sum is σ = 469221086507040. Its totient is φ = 88322402199296.

The previous prime is 222122122000949. The next prime is 222122122001023. The reversal of 222122122001020 is 20100221221222.

222122122001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122122001023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19093779 + ... + 28439701.

It is an arithmetic number, because the mean of its divisors is an integer number (9775439302230).

Almost surely, 2222122122001020 is an apocalyptic number.

222122122001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122122001020 is an abundant number, since it is smaller than the sum of its proper divisors (247098964506020).

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

222122122001020 is a wasteful number, since it uses less digits than its factorization.

222122122001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9352974 (or 9352972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222122122001020 its reverse (20100221221222), we get a palindrome (242222343222242).

The spelling of 222122122001020 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, one thousand, twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 6869 13738 27476 34345 68690 137380 1188337 2376674 4753348 5941685 9345923 11883370 18691846 23766740 37383692 46729615 93459230 186918460 1616844679 3233689358 6467378716 8084223395 16168446790 32336893580 64197145087 128394290174 256788580348 320985725435 641971450870 1283942901740 11106106100051 22212212200102 44424424400204 55530530500255 111061061000510 222122122001020