22065962888 has 36 divisors (see below), whose sum is σ = 42873228645. Its totient is φ = 10646651680.

The previous prime is 22065962881. The next prime is 22065962903. The reversal of 22065962888 is 88826956022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 22052844004 + 13118884 = 148502^2 + 3622^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105038.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22065962881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12183503 + ... + 12185313.

Almost surely, 2^22065962888 is an apocalyptic number.

It is an amenable number.

22065962888 is a deficient number, since it is larger than the sum of its proper divisors (20807265757).

22065962888 is an frugal number, since it uses more digits than its factorization.

22065962888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 22065962888 in words is "twenty-two billion, sixty-five million, nine hundred sixty-two thousand, eight hundred eighty-eight".