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22770269 is a prime number
BaseRepresentation
bin101011011011…
…1001001011101
31120211211221022
41112313021131
521312122034
62132013525
7364354424
oct126671135
946754838
1022770269
1111942705
1277612a5
134943342
14304a2bb
151eebb2e
hex15b725d

22770269 has 2 divisors, whose sum is σ = 22770270. Its totient is φ = 22770268.

The previous prime is 22770239. The next prime is 22770287. The reversal of 22770269 is 96207722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 84100 = 4763^2 + 290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22770269 is a prime.

It is a super-2 number, since 2×227702692 = 1036970300664722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22770229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385134 + 11385135.

It is an arithmetic number, because the mean of its divisors is an integer number (11385135).

Almost surely, 222770269 is an apocalyptic number.

It is an amenable number.

22770269 is a deficient number, since it is larger than the sum of its proper divisors (1).

22770269 is an equidigital number, since it uses as much as digits as its factorization.

22770269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 22770269 is about 4771.8203025680. The cubic root of 22770269 is about 283.4366809454.

The spelling of 22770269 in words is "twenty-two million, seven hundred seventy thousand, two hundred sixty-nine".