22364917 has 2 divisors, whose sum is σ = 22364918. Its totient is φ = 22364916.

The previous prime is 22364891. The next prime is 22364933. The reversal of 22364917 is 71946322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22193521 + 171396 = 4711^2 + 414^2 .

It is a cyclic number.

It is not a de Polignac number, because 22364917 - 2¹¹ = 22362869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22364977) 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, 11182458 + 11182459.

It is an arithmetic number, because the mean of its divisors is an integer number (11182459).

Almost surely, 2^22364917 is an apocalyptic number.

It is an amenable number.

22364917 is a deficient number, since it is larger than the sum of its proper divisors (1).

22364917 is an equidigital number, since it uses as much as digits as its factorization.

22364917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 22364917 is about 4729.1560557884. The cubic root of 22364917 is about 281.7447054908.

The spelling of 22364917 in words is "twenty-two million, three hundred sixty-four thousand, nine hundred seventeen".