22054030544 has 240 divisors, whose sum is σ = 55544726160. Its totient is φ = 8402042880.

The previous prime is 22054030543. The next prime is 22054030547. The reversal of 22054030544 is 44503045022.

It can be written as a sum of positive squares in 8 ways, for example, as 6730561600 + 15323468944 = 82040^2 + 123788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054030541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37190312 + ... + 37190904.

It is an arithmetic number, because the mean of its divisors is an integer number (231436359).

Almost surely, 2^22054030544 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 22054030544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27772363080).

22054030544 is an abundant number, since it is smaller than the sum of its proper divisors (33490695616).

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

22054030544 is a wasteful number, since it uses less digits than its factorization.

22054030544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 22054030544 its reverse (44503045022), we get a palindrome (66557075566).

The spelling of 22054030544 in words is "twenty-two billion, fifty-four million, thirty thousand, five hundred forty-four".