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BaseRepresentation
bin10100100000000001…
…100101010011010011
32002211001200200011202
4110200001211103103
5330040100403243
614040124101415
71406323644512
oct244001452323
962731620152
1022012122323
1193762a6334
12432399486b
1320ca507869
1410cb618679
1588c7254b8
hex5200654d3

22012122323 has 2 divisors, whose sum is σ = 22012122324. Its totient is φ = 22012122322.

The previous prime is 22012122289. The next prime is 22012122337. The reversal of 22012122323 is 32322121022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22012122323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012122295 and 22012122304.

It is not a weakly prime, because it can be changed into another prime (22012122343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006061161 + 11006061162.

It is an arithmetic number, because the mean of its divisors is an integer number (11006061162).

Almost surely, 222012122323 is an apocalyptic number.

22012122323 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012122323 is an equidigital number, since it uses as much as digits as its factorization.

22012122323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22012122323 its reverse (32322121022), we get a palindrome (54334243345).

The spelling of 22012122323 in words is "twenty-two billion, twelve million, one hundred twenty-two thousand, three hundred twenty-three".