22022250643605 has 16 divisors (see below), whose sum is σ = 35315139643200. Its totient is φ = 11718687472128.

The previous prime is 22022250643577. The next prime is 22022250643607. The reversal of 22022250643605 is 50634605222022.

It is a happy number.

It is not a de Polignac number, because 22022250643605 - 2⁹ = 22022250643093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022250643607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657047580 + ... + 1657060869.

It is an arithmetic number, because the mean of its divisors is an integer number (2207196227700).

Almost surely, 2^{22022250643605} is an apocalyptic number.

It is an amenable number.

22022250643605 is a deficient number, since it is larger than the sum of its proper divisors (13292888999595).

22022250643605 is a wasteful number, since it uses less digits than its factorization.

22022250643605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314108900.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 22022250643605 its reverse (50634605222022), we get a palindrome (72656855865627).

The spelling of 22022250643605 in words is "twenty-two trillion, twenty-two billion, two hundred fifty million, six hundred forty-three thousand, six hundred five".