22260617 has 2 divisors, whose sum is σ = 22260618. Its totient is φ = 22260616.

The previous prime is 22260613. The next prime is 22260629. The reversal of 22260617 is 71606222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 395641 = 4676^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 22260617 - 2² = 22260613 is a prime.

It is not a weakly prime, because it can be changed into another prime (22260611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11130308 + 11130309.

It is an arithmetic number, because the mean of its divisors is an integer number (11130309).

Almost surely, 2^22260617 is an apocalyptic number.

It is an amenable number.

22260617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22260617 is an equidigital number, since it uses as much as digits as its factorization.

22260617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22260617 is about 4718.1158315582. The cubic root of 22260617 is about 281.3060456539.

Adding to 22260617 its reverse (71606222), we get a palindrome (93866839).

The spelling of 22260617 in words is "twenty-two million, two hundred sixty thousand, six hundred seventeen".