22708117 has 2 divisors, whose sum is σ = 22708118. Its totient is φ = 22708116.

The previous prime is 22708093. The next prime is 22708123. The reversal of 22708117 is 71180722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14676561 + 8031556 = 3831^2 + 2834^2 .

It is a cyclic number.

It is not a de Polignac number, because 22708117 - 2¹⁵ = 22675349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22708157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11354058 + 11354059.

It is an arithmetic number, because the mean of its divisors is an integer number (11354059).

Almost surely, 2^22708117 is an apocalyptic number.

It is an amenable number.

22708117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22708117 is an equidigital number, since it uses as much as digits as its factorization.

22708117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 22708117 is about 4765.3034530867. The cubic root of 22708117 is about 283.1785635314.

Adding to 22708117 its reverse (71180722), we get a palindrome (93888839).

The spelling of 22708117 in words is "twenty-two million, seven hundred eight thousand, one hundred seventeen".