22390516687 has 32 divisors (see below), whose sum is σ = 28666773504. Its totient is φ = 16982784000.

The previous prime is 22390516669. The next prime is 22390516691. The reversal of 22390516687 is 78661509322.

It is not a de Polignac number, because 22390516687 - 2⁷ = 22390516559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22390516687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22390516607) 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 31 ways as a sum of consecutive naturals, for example, 496687 + ... + 539887.

It is an arithmetic number, because the mean of its divisors is an integer number (895836672).

Almost surely, 2^22390516687 is an apocalyptic number.

22390516687 is a deficient number, since it is larger than the sum of its proper divisors (6276256817).

22390516687 is a wasteful number, since it uses less digits than its factorization.

22390516687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43399.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 22390516687 in words is "twenty-two billion, three hundred ninety million, five hundred sixteen thousand, six hundred eighty-seven".