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22769 is a prime number
BaseRepresentation
bin101100011110001
31011020022
411203301
51212034
6253225
7123245
oct54361
934208
1022769
111611a
1211215
13a496
148425
156b2e
hex58f1

22769 has 2 divisors, whose sum is σ = 22770. Its totient is φ = 22768.

The previous prime is 22751. The next prime is 22777. The reversal of 22769 is 96722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12769 + 10000 = 113^2 + 100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22769 is a prime.

It is a super-2 number, since 2×227692 = 1036854722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11384 + 11385.

It is an arithmetic number, because the mean of its divisors is an integer number (11385).

222769 is an apocalyptic number.

It is an amenable number.

22769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22769 is an equidigital number, since it uses as much as digits as its factorization.

22769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 22769 is about 150.8940025316. The cubic root of 22769 is about 28.3431415485.

The spelling of 22769 in words is "twenty-two thousand, seven hundred sixty-nine".