22240544000 has 72 divisors (see below), whose sum is σ = 55404054888. Its totient is φ = 8896204800.

The previous prime is 22240543999. The next prime is 22240544033. The reversal of 22240544000 is 44504222.

It can be written as a sum of positive squares in 4 ways, for example, as 5552038144 + 16688505856 = 74512^2 + 129184^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315509 + ... + 379508.

Almost surely, 2^22240544000 is an apocalyptic number.

22240544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240544000 is an abundant number, since it is smaller than the sum of its proper divisors (33163510888).

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

22240544000 is an frugal number, since it uses more digits than its factorization.

22240544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695048 (or 695024 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The spelling of 22240544000 in words is "twenty-two billion, two hundred forty million, five hundred forty-four thousand".