22543325144 has 16 divisors (see below), whose sum is σ = 42548662320. Its totient is φ = 11197015200.

The previous prime is 22543325111. The next prime is 22543325149. The reversal of 22543325144 is 44152334522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22543325149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329639 + ... + 9332054.

It is an arithmetic number, because the mean of its divisors is an integer number (2659291395).

Almost surely, 2^22543325144 is an apocalyptic number.

It is an amenable number.

22543325144 is a deficient number, since it is larger than the sum of its proper divisors (20005337176).

22543325144 is a wasteful number, since it uses less digits than its factorization.

22543325144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18661850 (or 18661846 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 22543325144 its reverse (44152334522), we get a palindrome (66695659666).

The spelling of 22543325144 in words is "twenty-two billion, five hundred forty-three million, three hundred twenty-five thousand, one hundred forty-four".