22133263740 has 144 divisors (see below), whose sum is σ = 73167841152. Its totient is φ = 4983479424.

The previous prime is 22133263721. The next prime is 22133263751. The reversal of 22133263740 is 4736233122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140799 + ... + 253161.

It is an arithmetic number, because the mean of its divisors is an integer number (508110008).

Almost surely, 2^22133263740 is an apocalyptic number.

22133263740 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 22133263740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36583920576).

22133263740 is an abundant number, since it is smaller than the sum of its proper divisors (51034577412).

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

22133263740 is a wasteful number, since it uses less digits than its factorization.

22133263740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112456 (or 112447 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 33.

Adding to 22133263740 its reverse (4736233122), we get a palindrome (26869496862).

The spelling of 22133263740 in words is "twenty-two billion, one hundred thirty-three million, two hundred sixty-three thousand, seven hundred forty".