22730266338 has 64 divisors (see below), whose sum is σ = 50570956800. Its totient is φ = 6763740480.

The previous prime is 22730266319. The next prime is 22730266367. The reversal of 22730266338 is 83366203722.

It is a self number, because there is not a number n which added to its sum of digits gives 22730266338.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5653693 + ... + 5657711.

It is an arithmetic number, because the mean of its divisors is an integer number (790171200).

Almost surely, 2^22730266338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22730266338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25285478400).

22730266338 is an abundant number, since it is smaller than the sum of its proper divisors (27840690462).

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

22730266338 is a wasteful number, since it uses less digits than its factorization.

22730266338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407.

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 22730266338 in words is "twenty-two billion, seven hundred thirty million, two hundred sixty-six thousand, three hundred thirty-eight".