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22102417 is a prime number
BaseRepresentation
bin101010001010…
…0000110010001
31112120220211001
41110110012101
521124234132
62105422001
7355603351
oct124240621
945526731
1022102417
1111526967
12749a901
13476b36c
142d14b61
151e18ce7
hex1514191

22102417 has 2 divisors, whose sum is σ = 22102418. Its totient is φ = 22102416.

The previous prime is 22102369. The next prime is 22102427. The reversal of 22102417 is 71420122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20466576 + 1635841 = 4524^2 + 1279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22102417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22102394 and 22102403.

It is not a weakly prime, because it can be changed into another prime (22102427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051208 + 11051209.

It is an arithmetic number, because the mean of its divisors is an integer number (11051209).

Almost surely, 222102417 is an apocalyptic number.

It is an amenable number.

22102417 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102417 is an equidigital number, since it uses as much as digits as its factorization.

22102417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 22102417 is about 4701.3207718683. The cubic root of 22102417 is about 280.6380728959.

Adding to 22102417 its reverse (71420122), we get a palindrome (93522539).

The spelling of 22102417 in words is "twenty-two million, one hundred two thousand, four hundred seventeen".