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2022122112222 = 231997168763321
BaseRepresentation
bin11101011011001111110…
…111101100010011011110
321011022110011111120220210
4131123033313230103132
5231112301230042342
64144541114353250
7266044033233042
oct35331767542336
97138404446823
102022122112222
1170a639241163
12287a9872b826
131188ba79c7c4
146dc2a93a022
15379001cc79c
hex1d6cfdec4de

2022122112222 has 16 divisors (see below), whose sum is σ = 4046269408272. Its totient is φ = 673703173440.

The previous prime is 2022122112139. The next prime is 2022122112233. The reversal of 2022122112222 is 2222112212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84369679 + ... + 84393642.

It is an arithmetic number, because the mean of its divisors is an integer number (252891838017).

Almost surely, 22022122112222 is an apocalyptic number.

2022122112222 is an abundant number, since it is smaller than the sum of its proper divisors (2024147296050).

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

2022122112222 is a wasteful number, since it uses less digits than its factorization.

2022122112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168765323.

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

Adding to 2022122112222 its reverse (2222112212202), we get a palindrome (4244234324424).

The spelling of 2022122112222 in words is "two trillion, twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1997 3994 5991 11982 168763321 337526642 506289963 1012579926 337020352037 674040704074 1011061056111 2022122112222