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22106893 is a prime number
BaseRepresentation
bin101010001010…
…1001100001101
31112121010221211
41110111030031
521124410033
62105454421
7355622404
oct124251415
945533854
1022106893
111152a266
1274a1411
134770403
142d1663b
151e1a2cd
hex151530d

22106893 has 2 divisors, whose sum is σ = 22106894. Its totient is φ = 22106892.

The previous prime is 22106881. The next prime is 22106897. The reversal of 22106893 is 39860122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16621929 + 5484964 = 4077^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106893 - 221 = 20009741 is a prime.

It is a super-2 number, since 2×221068932 = 977429436226898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22106897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053446 + 11053447.

It is an arithmetic number, because the mean of its divisors is an integer number (11053447).

Almost surely, 222106893 is an apocalyptic number.

It is an amenable number.

22106893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106893 is an equidigital number, since it uses as much as digits as its factorization.

22106893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22106893 is about 4701.7967842092. The cubic root of 22106893 is about 280.6570157900.

The spelling of 22106893 in words is "twenty-two million, one hundred six thousand, eight hundred ninety-three".