22338520392 has 64 divisors (see below), whose sum is σ = 57749852160. Its totient is φ = 7193217600.

The previous prime is 22338520367. The next prime is 22338520411. The reversal of 22338520392 is 29302583322.

It is a self number, because there is not a number n which added to its sum of digits gives 22338520392.

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 15 ways as a sum of consecutive naturals, for example, 398533 + ... + 451115.

It is an arithmetic number, because the mean of its divisors is an integer number (902341440).

Almost surely, 2^22338520392 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 22338520392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28874926080).

22338520392 is an abundant number, since it is smaller than the sum of its proper divisors (35411331768).

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

22338520392 is a wasteful number, since it uses less digits than its factorization.

22338520392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53194 (or 53190 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 22338520392 in words is "twenty-two billion, three hundred thirty-eight million, five hundred twenty thousand, three hundred ninety-two".