22243133340 has 144 divisors (see below), whose sum is σ = 68710692960. Its totient is φ = 5822791680.

The previous prime is 22243133329. The next prime is 22243133347. The reversal of 22243133340 is 4333134222.

22243133340 is a `hidden beast` number, since 2 + 2 + 2 + 4 + 313 + 3 + 340 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243133347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12923680 + ... + 12925400.

It is an arithmetic number, because the mean of its divisors is an integer number (477157590).

Almost surely, 2^22243133340 is an apocalyptic number.

22243133340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22243133340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34355346480).

22243133340 is an abundant number, since it is smaller than the sum of its proper divisors (46467559620).

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

22243133340 is a wasteful number, since it uses less digits than its factorization.

22243133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 22243133340 its reverse (4333134222), we get a palindrome (26576267562).

The spelling of 22243133340 in words is "twenty-two billion, two hundred forty-three million, one hundred thirty-three thousand, three hundred forty".