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22382189 is a prime number
BaseRepresentation
bin101010101100…
…0011001101101
31120010010120222
41111120121231
521212212224
62115421125
7361150124
oct125303155
946103528
1022382189
11116a8085
1275b47a5
1348387cb
142d88abb
151e71b5e
hex155866d

22382189 has 2 divisors, whose sum is σ = 22382190. Its totient is φ = 22382188.

The previous prime is 22382167. The next prime is 22382237. The reversal of 22382189 is 98128322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 432964 = 4685^2 + 658^2 .

It is a cyclic number.

It is not a de Polignac number, because 22382189 - 216 = 22316653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22382159) 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, 11191094 + 11191095.

It is an arithmetic number, because the mean of its divisors is an integer number (11191095).

Almost surely, 222382189 is an apocalyptic number.

It is an amenable number.

22382189 is a deficient number, since it is larger than the sum of its proper divisors (1).

22382189 is an equidigital number, since it uses as much as digits as its factorization.

22382189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 22382189 is about 4730.9818219900. The cubic root of 22382189 is about 281.8172155203.

The spelling of 22382189 in words is "twenty-two million, three hundred eighty-two thousand, one hundred eighty-nine".