22741271256 has 128 divisors (see below), whose sum is σ = 62772019200. Its totient is φ = 6808394880.

The previous prime is 22741271251. The next prime is 22741271269. The reversal of 22741271256 is 65217214722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22741271251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8816575 + ... + 8819153.

It is an arithmetic number, because the mean of its divisors is an integer number (490406400).

Almost surely, 2^22741271256 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 22741271256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31386009600).

22741271256 is an abundant number, since it is smaller than the sum of its proper divisors (40030747944).

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

22741271256 is a wasteful number, since it uses less digits than its factorization.

22741271256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2985 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

Adding to 22741271256 its reverse (65217214722), we get a palindrome (87958485978).

The spelling of 22741271256 in words is "twenty-two billion, seven hundred forty-one million, two hundred seventy-one thousand, two hundred fifty-six".