22163853 has 8 divisors (see below), whose sum is σ = 30505216. Its totient is φ = 14299200.

The previous prime is 22163839. The next prime is 22163887. The reversal of 22163853 is 35836122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22163853 - 2¹⁸ = 21901709 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 22163853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119068 + ... + 119253.

It is an arithmetic number, because the mean of its divisors is an integer number (3813152).

Almost surely, 2^22163853 is an apocalyptic number.

It is an amenable number.

22163853 is a deficient number, since it is larger than the sum of its proper divisors (8341363).

22163853 is a wasteful number, since it uses less digits than its factorization.

22163853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238355.

The product of its digits is 8640, while the sum is 30.

The square root of 22163853 is about 4707.8501462982. The cubic root of 22163853 is about 280.8978533929.

Adding to 22163853 its reverse (35836122), we get a palindrome (57999975).

The spelling of 22163853 in words is "twenty-two million, one hundred sixty-three thousand, eight hundred fifty-three".