22853391287 has 4 divisors (see below), whose sum is σ = 22853703696. Its totient is φ = 22853078880.

The previous prime is 22853391277. The next prime is 22853391317. The reversal of 22853391287 is 78219335822.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78219335822 = 2 ⋅39109667911.

It is a cyclic number.

It is not a de Polignac number, because 22853391287 - 2¹² = 22853387191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22853391257) 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, 19118 + ... + 214644.

It is an arithmetic number, because the mean of its divisors is an integer number (5713425924).

Almost surely, 2^22853391287 is an apocalyptic number.

22853391287 is a deficient number, since it is larger than the sum of its proper divisors (312409).

22853391287 is a wasteful number, since it uses less digits than its factorization.

22853391287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312408.

The product of its digits is 1451520, while the sum is 50.

The spelling of 22853391287 in words is "twenty-two billion, eight hundred fifty-three million, three hundred ninety-one thousand, two hundred eighty-seven".