22620220266 has 32 divisors (see below), whose sum is σ = 51708119040. Its totient is φ = 6462325296.

The previous prime is 22620220261. The next prime is 22620220319. The reversal of 22620220266 is 66202202622.

It is a super-3 number, since 3×22620220266³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22620220261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658915 + ... + 692393.

It is an arithmetic number, because the mean of its divisors is an integer number (1615878720).

Almost surely, 2^22620220266 is an apocalyptic number.

22620220266 is an abundant number, since it is smaller than the sum of its proper divisors (29087898774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22620220266 is a wasteful number, since it uses less digits than its factorization.

22620220266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49578.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 22620220266 its reverse (66202202622), we get a palindrome (88822422888).

The spelling of 22620220266 in words is "twenty-two billion, six hundred twenty million, two hundred twenty thousand, two hundred sixty-six".