22844067840 has 624 divisors, whose sum is σ = 91081298880. Its totient is φ = 5237637120.

The previous prime is 22844067823. The next prime is 22844067847. The reversal of 22844067840 is 4876044822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22844067847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38522584 + ... + 38523176.

It is an arithmetic number, because the mean of its divisors is an integer number (145963620).

Almost surely, 2^22844067840 is an apocalyptic number.

22844067840 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 22844067840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45540649440).

22844067840 is an abundant number, since it is smaller than the sum of its proper divisors (68237231040).

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

22844067840 is a wasteful number, since it uses less digits than its factorization.

22844067840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 22844067840 in words is "twenty-two billion, eight hundred forty-four million, sixty-seven thousand, eight hundred forty".