22866503640 has 64 divisors (see below), whose sum is σ = 69036507360. Its totient is φ = 6058890240.

The previous prime is 22866503593. The next prime is 22866503651. The reversal of 22866503640 is 4630566822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22866503592 and 22866503601.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 588021 + ... + 625700.

Almost surely, 2^22866503640 is an apocalyptic number.

22866503640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22866503640 is an abundant number, since it is smaller than the sum of its proper divisors (46170003720).

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

22866503640 is a wasteful number, since it uses less digits than its factorization.

22866503640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213892 (or 1213888 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 22866503640 in words is "twenty-two billion, eight hundred sixty-six million, five hundred three thousand, six hundred forty".