22228386288 has 80 divisors (see below), whose sum is σ = 59003890176. Its totient is φ = 7206958080.

The previous prime is 22228386287. The next prime is 22228386293. The reversal of 22228386288 is 88268382222.

It is a super-3 number, since 3×22228386288³ (a number of 32 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22228386288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22228386287) 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, 475081 + ... + 519767.

Almost surely, 2^22228386288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22228386288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29501945088).

22228386288 is an abundant number, since it is smaller than the sum of its proper divisors (36775503888).

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

22228386288 is a wasteful number, since it uses less digits than its factorization.

22228386288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44982 (or 44976 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The spelling of 22228386288 in words is "twenty-two billion, two hundred twenty-eight million, three hundred eighty-six thousand, two hundred eighty-eight".