22748544000 has 1584 divisors, whose sum is σ = 106008005376. Its totient is φ = 4644864000.

The previous prime is 22748543963. The next prime is 22748544019. The reversal of 22748544000 is 44584722.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 733823985 + ... + 733824015.

Almost surely, 2^22748544000 is an apocalyptic number.

22748544000 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 22748544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53004002688).

22748544000 is an abundant number, since it is smaller than the sum of its proper divisors (83259461376).

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

22748544000 is a wasteful number, since it uses less digits than its factorization.

22748544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The spelling of 22748544000 in words is "twenty-two billion, seven hundred forty-eight million, five hundred forty-four thousand".