22288143689 has 24 divisors (see below), whose sum is σ = 26571177792. Its totient is φ = 18307205280.

The previous prime is 22288143649. The next prime is 22288143737. The reversal of 22288143689 is 98634188222.

It is not a de Polignac number, because 22288143689 - 2¹² = 22288139593 is a prime.

It is a super-2 number, since 2×22288143689² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22288143689.

It is not an unprimeable number, because it can be changed into a prime (22288143649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669734 + ... + 702224.

It is an arithmetic number, because the mean of its divisors is an integer number (1107132408).

Almost surely, 2^22288143689 is an apocalyptic number.

It is an amenable number.

22288143689 is a deficient number, since it is larger than the sum of its proper divisors (4283034103).

22288143689 is an equidigital number, since it uses as much as digits as its factorization.

22288143689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32637 (or 32594 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The spelling of 22288143689 in words is "twenty-two billion, two hundred eighty-eight million, one hundred forty-three thousand, six hundred eighty-nine".