22065967552 has 56 divisors (see below), whose sum is σ = 44451706880. Its totient is φ = 10866804480.

The previous prime is 22065967529. The next prime is 22065967579. The reversal of 22065967552 is 25576956022.

It is a junction number, because it is equal to n+sod(n) for n = 22065967496 and 22065967505.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1120027 + ... + 1139557.

It is an arithmetic number, because the mean of its divisors is an integer number (793780480).

Almost surely, 2^22065967552 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 22065967552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22225853440).

22065967552 is an abundant number, since it is smaller than the sum of its proper divisors (22385739328).

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

22065967552 is a wasteful number, since it uses less digits than its factorization.

22065967552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19809 (or 19799 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 22065967552 in words is "twenty-two billion, sixty-five million, nine hundred sixty-seven thousand, five hundred fifty-two".