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22012122322 = 2311423249497
BaseRepresentation
bin10100100000000001…
…100101010011010010
32002211001200200011201
4110200001211103102
5330040100403242
614040124101414
71406323644511
oct244001452322
962731620151
1022012122322
1193762a6333
12432399486a
1320ca507868
1410cb618678
1588c7254b7
hex5200654d2

22012122322 has 16 divisors (see below), whose sum is σ = 34107374592. Its totient is φ = 10643499360.

The previous prime is 22012122289. The next prime is 22012122323. The reversal of 22012122322 is 22322121022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012122322.

It is not an unprimeable number, because it can be changed into a prime (22012122323) 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, 36523 + ... + 212974.

It is an arithmetic number, because the mean of its divisors is an integer number (2131710912).

Almost surely, 222012122322 is an apocalyptic number.

22012122322 is a deficient number, since it is larger than the sum of its proper divisors (12095252270).

22012122322 is a wasteful number, since it uses less digits than its factorization.

22012122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250953.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22012122322 its reverse (22322121022), we get a palindrome (44334243344).

The spelling of 22012122322 in words is "twenty-two billion, twelve million, one hundred twenty-two thousand, three hundred twenty-two".

Divisors: 1 2 31 62 1423 2846 44113 88226 249497 498994 7734407 15468814 355034231 710068462 11006061161 22012122322