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22026869 is a prime number
BaseRepresentation
bin101010000000…
…1101001110101
31112110002011222
41110001221311
521114324434
62104040125
7355140164
oct124015165
945402158
1022026869
1111485127
127463045
134742b67
142cd53db
151e0172e
hex1501a75

22026869 has 2 divisors, whose sum is σ = 22026870. Its totient is φ = 22026868.

The previous prime is 22026841. The next prime is 22026889. The reversal of 22026869 is 96862022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 10804369 = 3350^2 + 3287^2 .

It is a cyclic number.

It is not a de Polignac number, because 22026869 - 212 = 22022773 is a prime.

It is a super-2 number, since 2×220268692 = 970365915886322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22026889) 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, 11013434 + 11013435.

It is an arithmetic number, because the mean of its divisors is an integer number (11013435).

Almost surely, 222026869 is an apocalyptic number.

It is an amenable number.

22026869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22026869 is an equidigital number, since it uses as much as digits as its factorization.

22026869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22026869 is about 4693.2791308423. The cubic root of 22026869 is about 280.3179593767.

The spelling of 22026869 in words is "twenty-two million, twenty-six thousand, eight hundred sixty-nine".