22756627544 has 64 divisors (see below), whose sum is σ = 49521326400. Its totient is φ = 9602496000.

The previous prime is 22756627507. The next prime is 22756627549. The reversal of 22756627544 is 44572665722.

It is a junction number, because it is equal to n+sod(n) for n = 22756627492 and 22756627501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22756627549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012622 + ... + 1034850.

It is an arithmetic number, because the mean of its divisors is an integer number (773770725).

Almost surely, 2^22756627544 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 22756627544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24760663200).

22756627544 is an abundant number, since it is smaller than the sum of its proper divisors (26764698856).

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

22756627544 is a wasteful number, since it uses less digits than its factorization.

22756627544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22524 (or 22520 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 50.

The spelling of 22756627544 in words is "twenty-two billion, seven hundred fifty-six million, six hundred twenty-seven thousand, five hundred forty-four".