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22212031133 is a prime number
BaseRepresentation
bin10100101011111100…
…001011001010011101
32010022222212002111202
4110223330023022131
5330442234444013
614112024525245
71414302102155
oct245374131235
963288762452
1022212031133
119469126826
12437a920825
13212ca5c4b6
141109db5765
158a0062858
hex52bf0b29d

22212031133 has 2 divisors, whose sum is σ = 22212031134. Its totient is φ = 22212031132.

The previous prime is 22212031117. The next prime is 22212031157. The reversal of 22212031133 is 33113021222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18358353049 + 3853678084 = 135493^2 + 62078^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212031133 - 24 = 22212031117 is a prime.

It is a super-2 number, since 2×222120311332 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212031333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106015566 + 11106015567.

It is an arithmetic number, because the mean of its divisors is an integer number (11106015567).

Almost surely, 222212031133 is an apocalyptic number.

It is an amenable number.

22212031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212031133 is an equidigital number, since it uses as much as digits as its factorization.

22212031133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22212031133 its reverse (33113021222), we get a palindrome (55325052355).

The spelling of 22212031133 in words is "twenty-two billion, two hundred twelve million, thirty-one thousand, one hundred thirty-three".