22222224689 has 16 divisors (see below), whose sum is σ = 26225907840. Its totient is φ = 18433941120.

The previous prime is 22222224623. The next prime is 22222224691. The reversal of 22222224689 is 98642222222.

It is a de Polignac number, because none of the positive numbers 2^k-22222224689 is a prime.

It is a super-2 number, since 2×22222224689² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22222224589) 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, 305852 + ... + 371469.

It is an arithmetic number, because the mean of its divisors is an integer number (1639119240).

Almost surely, 2^22222224689 is an apocalyptic number.

It is an amenable number.

22222224689 is a deficient number, since it is larger than the sum of its proper divisors (4003683151).

22222224689 is a wasteful number, since it uses less digits than its factorization.

22222224689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677480.

The product of its digits is 221184, while the sum is 41.

The spelling of 22222224689 in words is "twenty-two billion, two hundred twenty-two million, two hundred twenty-four thousand, six hundred eighty-nine".