22068292387 has 4 divisors (see below), whose sum is σ = 23229781480. Its totient is φ = 20906803296.

The previous prime is 22068292303. The next prime is 22068292417. The reversal of 22068292387 is 78329286022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22068292387 - 2¹¹ = 22068290339 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 22068292387.

It is not an unprimeable number, because it can be changed into a prime (22068292087) 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 3 ways as a sum of consecutive naturals, for example, 580744518 + ... + 580744555.

It is an arithmetic number, because the mean of its divisors is an integer number (5807445370).

Almost surely, 2^22068292387 is an apocalyptic number.

22068292387 is a deficient number, since it is larger than the sum of its proper divisors (1161489093).

22068292387 is a wasteful number, since it uses less digits than its factorization.

22068292387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161489092.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 22068292387 in words is "twenty-two billion, sixty-eight million, two hundred ninety-two thousand, three hundred eighty-seven".