22553113044 has 144 divisors (see below), whose sum is σ = 66454392704. Its totient is φ = 5827092480.

The previous prime is 22553113003. The next prime is 22553113073. The reversal of 22553113044 is 44031135522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1955904 + ... + 1967400.

Almost surely, 2^22553113044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22553113044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33227196352).

22553113044 is an abundant number, since it is smaller than the sum of its proper divisors (43901279660).

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

22553113044 is a wasteful number, since it uses less digits than its factorization.

22553113044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726 (or 11713 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22553113044 its reverse (44031135522), we get a palindrome (66584248566).

The spelling of 22553113044 in words is "twenty-two billion, five hundred fifty-three million, one hundred thirteen thousand, forty-four".