22044827520 has 768 divisors, whose sum is σ = 87213672000. Its totient is φ = 5113774080.

The previous prime is 22044827509. The next prime is 22044827521. The reversal of 22044827520 is 2572844022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044827521) 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 95 ways as a sum of consecutive naturals, for example, 537678700 + ... + 537678740.

Almost surely, 2^22044827520 is an apocalyptic number.

22044827520 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 22044827520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43606836000).

22044827520 is an abundant number, since it is smaller than the sum of its proper divisors (65168844480).

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

22044827520 is a wasteful number, since it uses less digits than its factorization.

22044827520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 87 counting only the distinct ones).

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

The spelling of 22044827520 in words is "twenty-two billion, forty-four million, eight hundred twenty-seven thousand, five hundred twenty".