22549056768 has 648 divisors, whose sum is σ = 82879130880. Its totient is φ = 5852528640.

The previous prime is 22549056731. The next prime is 22549056773. The reversal of 22549056768 is 86765094522.

22549056768 is a `hidden beast` number, since 22 + 54 + 9 + 0 + 567 + 6 + 8 = 666.

It is a super-2 number, since 2×22549056768² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 59496003 + ... + 59496381.

Almost surely, 2^22549056768 is an apocalyptic number.

22549056768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22549056768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41439565440).

22549056768 is an abundant number, since it is smaller than the sum of its proper divisors (60330074112).

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

22549056768 is a wasteful number, since it uses less digits than its factorization.

22549056768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 22549056768 in words is "twenty-two billion, five hundred forty-nine million, fifty-six thousand, seven hundred sixty-eight".