22206601 has 2 divisors, whose sum is σ = 22206602. Its totient is φ = 22206600.

The previous prime is 22206557. The next prime is 22206617. The reversal of 22206601 is 10660222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17139600 + 5067001 = 4140^2 + 2251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22206601 - 2⁷ = 22206473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22206671) 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, 11103300 + 11103301.

It is an arithmetic number, because the mean of its divisors is an integer number (11103301).

Almost surely, 2^22206601 is an apocalyptic number.

It is an amenable number.

22206601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22206601 is an equidigital number, since it uses as much as digits as its factorization.

22206601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22206601 is about 4712.3880358052. The cubic root of 22206601 is about 281.0783290795.

Adding to 22206601 its reverse (10660222), we get a palindrome (32866823).

The spelling of 22206601 in words is "twenty-two million, two hundred six thousand, six hundred one".