22106653 has 2 divisors, whose sum is σ = 22106654. Its totient is φ = 22106652.

The previous prime is 22106639. The next prime is 22106677. The reversal of 22106653 is 35660122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 232324 = 4677^2 + 482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22106653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22106053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053326 + 11053327.

It is an arithmetic number, because the mean of its divisors is an integer number (11053327).

Almost surely, 2^22106653 is an apocalyptic number.

It is an amenable number.

22106653 is a deficient number, since it is larger than the sum of its proper divisors (1).

22106653 is an equidigital number, since it uses as much as digits as its factorization.

22106653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22106653 is about 4701.7712619820. The cubic root of 22106653 is about 280.6560001501.

Adding to 22106653 its reverse (35660122), we get a palindrome (57766775).

The spelling of 22106653 in words is "twenty-two million, one hundred six thousand, six hundred fifty-three".