22022250643606 has 4 divisors (see below), whose sum is σ = 33033375965412. Its totient is φ = 11011125321802.

The previous prime is 22022250643577. The next prime is 22022250643607. The reversal of 22022250643606 is 60634605222022.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5505562660900 + ... + 5505562660903.

It is an arithmetic number, because the mean of its divisors is an integer number (8258343991353).

Almost surely, 2^{22022250643606} is an apocalyptic number.

22022250643606 is a deficient number, since it is larger than the sum of its proper divisors (11011125321806).

22022250643606 is a wasteful number, since it uses less digits than its factorization.

22022250643606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011125321805.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 22022250643606 its reverse (60634605222022), we get a palindrome (82656855865628).

The spelling of 22022250643606 in words is "twenty-two trillion, twenty-two billion, two hundred fifty million, six hundred forty-three thousand, six hundred six".