22986243640 has 16 divisors (see below), whose sum is σ = 51719048280. Its totient is φ = 9194497440.

The previous prime is 22986243617. The next prime is 22986243641. The reversal of 22986243640 is 4634268922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22986243641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 287328006 + ... + 287328085.

Almost surely, 2^22986243640 is an apocalyptic number.

22986243640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22986243640 is an abundant number, since it is smaller than the sum of its proper divisors (28732804640).

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

22986243640 is a wasteful number, since it uses less digits than its factorization.

22986243640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574656102 (or 574656098 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 22986243640 in words is "twenty-two billion, nine hundred eighty-six million, two hundred forty-three thousand, six hundred forty".