22069864656 has 240 divisors, whose sum is σ = 74744442240. Its totient is φ = 5938375680.

The previous prime is 22069864633. The next prime is 22069864679. The reversal of 22069864656 is 65646896022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22069864633) and next prime (22069864679).

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 47 ways as a sum of consecutive naturals, for example, 3309966 + ... + 3316626.

It is an arithmetic number, because the mean of its divisors is an integer number (311435176).

Almost surely, 2^22069864656 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 22069864656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37372221120).

22069864656 is an abundant number, since it is smaller than the sum of its proper divisors (52674577584).

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

22069864656 is a wasteful number, since it uses less digits than its factorization.

22069864656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874 (or 6865 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 22069864656 in words is "twenty-two billion, sixty-nine million, eight hundred sixty-four thousand, six hundred fifty-six".