22102117 has 2 divisors, whose sum is σ = 22102118. Its totient is φ = 22102116.

The previous prime is 22102097. The next prime is 22102121. The reversal of 22102117 is 71120122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16654561 + 5447556 = 4081^2 + 2334^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102117 - 2¹¹ = 22100069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22102117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051058 + 11051059.

It is an arithmetic number, because the mean of its divisors is an integer number (11051059).

Almost surely, 2^22102117 is an apocalyptic number.

It is an amenable number.

22102117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102117 is an equidigital number, since it uses as much as digits as its factorization.

22102117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 22102117 is about 4701.2888658324. The cubic root of 22102117 is about 280.6368031735.

Adding to 22102117 its reverse (71120122), we get a palindrome (93222239).

The spelling of 22102117 in words is "twenty-two million, one hundred two thousand, one hundred seventeen".