Search a number
-
+
11226869 is a prime number
BaseRepresentation
bin101010110100…
…111011110101
3210010101100222
4222310323311
510333224434
61040344125
7164266253
oct52647365
923111328
1011226869
116378a05
123915045
132431124
1416c35d3
15ebb72e
hexab4ef5

11226869 has 2 divisors, whose sum is σ = 11226870. Its totient is φ = 11226868.

The previous prime is 11226863. The next prime is 11226871. The reversal of 11226869 is 96862211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 422500 = 3287^2 + 650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11226869 is a prime.

It is a super-2 number, since 2×112268692 = 252085175086322, which contains 22 as substring.

Together with 11226871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11226863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5613434 + 5613435.

It is an arithmetic number, because the mean of its divisors is an integer number (5613435).

Almost surely, 211226869 is an apocalyptic number.

It is an amenable number.

11226869 is a deficient number, since it is larger than the sum of its proper divisors (1).

11226869 is an equidigital number, since it uses as much as digits as its factorization.

11226869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 11226869 is about 3350.6520260988. The cubic root of 11226869 is about 223.9165625149.

The spelling of 11226869 in words is "eleven million, two hundred twenty-six thousand, eight hundred sixty-nine".