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33022081 is a prime number
BaseRepresentation
bin111110111111…
…0000010000001
32022010200210001
41331332002001
531423201311
63135440001
7550453201
oct175760201
968120701
1033022081
1117704a84
12b086001
136ac26c1
144558401
152d744c1
hex1f7e081

33022081 has 2 divisors, whose sum is σ = 33022082. Its totient is φ = 33022080.

The previous prime is 33022049. The next prime is 33022111. The reversal of 33022081 is 18022033.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23193856 + 9828225 = 4816^2 + 3135^2 .

It is a cyclic number.

It is not a de Polignac number, because 33022081 - 25 = 33022049 is a prime.

It is a super-2 number, since 2×330220812 = 2180915667141122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33022481) 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, 16511040 + 16511041.

It is an arithmetic number, because the mean of its divisors is an integer number (16511041).

Almost surely, 233022081 is an apocalyptic number.

It is an amenable number.

33022081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33022081 is an equidigital number, since it uses as much as digits as its factorization.

33022081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 33022081 is about 5746.4842295094. The cubic root of 33022081 is about 320.8249580243.

The spelling of 33022081 in words is "thirty-three million, twenty-two thousand, eighty-one".