22022516387 has 4 divisors (see below), whose sum is σ = 22028151216. Its totient is φ = 22016881560.

The previous prime is 22022516339. The next prime is 22022516389. The reversal of 22022516387 is 78361522022.

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 22022516387 - 2⁶ = 22022516323 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 22022516387.

It is not an unprimeable number, because it can be changed into a prime (22022516389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811548 + ... + 2819369.

It is an arithmetic number, because the mean of its divisors is an integer number (5507037804).

Almost surely, 2^22022516387 is an apocalyptic number.

22022516387 is a deficient number, since it is larger than the sum of its proper divisors (5634829).

22022516387 is an equidigital number, since it uses as much as digits as its factorization.

22022516387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634828.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 22022516387 in words is "twenty-two billion, twenty-two million, five hundred sixteen thousand, three hundred eighty-seven".