22735548656 has 80 divisors (see below), whose sum is σ = 48275853600. Its totient is φ = 10334490624.

The previous prime is 22735548643. The next prime is 22735548677. The reversal of 22735548656 is 65684553722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22735548598 and 22735548607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807260 + ... + 834948.

It is an arithmetic number, because the mean of its divisors is an integer number (603448170).

Almost surely, 2^22735548656 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 22735548656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24137926800).

22735548656 is an abundant number, since it is smaller than the sum of its proper divisors (25540304944).

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

22735548656 is a wasteful number, since it uses less digits than its factorization.

22735548656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826 (or 27820 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 53.

The spelling of 22735548656 in words is "twenty-two billion, seven hundred thirty-five million, five hundred forty-eight thousand, six hundred fifty-six".