22245666688889 has 16 divisors (see below), whose sum is σ = 25525516262400. Its totient is φ = 18991295034000.

The previous prime is 22245666688867. The next prime is 22245666688897. The reversal of 22245666688889 is 98888666654222.

It is a cyclic number.

It is not a de Polignac number, because 22245666688889 - 2⁸ = 22245666688633 is a prime.

It is a super-3 number, since 3×22245666688889³ (a number of 41 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22245666088889) 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, 88467662 + ... + 88718760.

It is an arithmetic number, because the mean of its divisors is an integer number (1595344766400).

Almost surely, 2^{22245666688889} is an apocalyptic number.

It is an amenable number.

22245666688889 is a deficient number, since it is larger than the sum of its proper divisors (3279849573511).

22245666688889 is a wasteful number, since it uses less digits than its factorization.

22245666688889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301780.

The product of its digits is 7644119040, while the sum is 80.

The spelling of 22245666688889 in words is "twenty-two trillion, two hundred forty-five billion, six hundred sixty-six million, six hundred eighty-eight thousand, eight hundred eighty-nine".