22038943584 has 144 divisors (see below), whose sum is σ = 68320433664. Its totient is φ = 6093538560.

The previous prime is 22038943583. The next prime is 22038943607. The reversal of 22038943584 is 48534983022.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038943583) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 628729 + ... + 662855.

It is an arithmetic number, because the mean of its divisors is an integer number (474447456).

Almost surely, 2^22038943584 is an apocalyptic number.

22038943584 is a gapful number since it is divisible by the number (24) 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 22038943584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34160216832).

22038943584 is an abundant number, since it is smaller than the sum of its proper divisors (46281490080).

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

22038943584 is a wasteful number, since it uses less digits than its factorization.

22038943584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34209 (or 34170 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 22038943584 in words is "twenty-two billion, thirty-eight million, nine hundred forty-three thousand, five hundred eighty-four".