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22103117 is a prime number
BaseRepresentation
bin101010001010…
…0010001001101
31112120221202222
41110110101031
521124244432
62105425125
7355605401
oct124242115
945527688
1022103117
1111527443
12749b1a5
13476b78a
142d15101
151e19112
hex151444d

22103117 has 2 divisors, whose sum is σ = 22103118. Its totient is φ = 22103116.

The previous prime is 22103089. The next prime is 22103119. The reversal of 22103117 is 71130122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19945156 + 2157961 = 4466^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 22103117 - 214 = 22086733 is a prime.

It is a super-2 number, since 2×221031172 = 977095562231378, which contains 22 as substring.

Together with 22103119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22103095 and 22103104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22103119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051558 + 11051559.

It is an arithmetic number, because the mean of its divisors is an integer number (11051559).

Almost surely, 222103117 is an apocalyptic number.

It is an amenable number.

22103117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103117 is an equidigital number, since it uses as much as digits as its factorization.

22103117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 22103117 is about 4701.3952184431. The cubic root of 22103117 is about 280.6410355369.

Adding to 22103117 its reverse (71130122), we get a palindrome (93233239).

The spelling of 22103117 in words is "twenty-two million, one hundred three thousand, one hundred seventeen".