22627821568 has 96 divisors (see below), whose sum is σ = 50951496960. Its totient is φ = 9953280000.

The previous prime is 22627821551. The next prime is 22627821571. The reversal of 22627821568 is 86512872622.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682168 + ... + 714568.

It is an arithmetic number, because the mean of its divisors is an integer number (530744760).

Almost surely, 2^22627821568 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 22627821568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25475748480).

22627821568 is an abundant number, since it is smaller than the sum of its proper divisors (28323675392).

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

22627821568 is a wasteful number, since it uses less digits than its factorization.

22627821568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32465 (or 32445 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 22627821568 in words is "twenty-two billion, six hundred twenty-seven million, eight hundred twenty-one thousand, five hundred sixty-eight".