22853893 has 4 divisors (see below), whose sum is σ = 22878828. Its totient is φ = 22828960.

The previous prime is 22853849. The next prime is 22853917. The reversal of 22853893 is 39835822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 20088324 = 1663^2 + 4482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22853893 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22853813) 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, 11038 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (5719707).

Almost surely, 2^22853893 is an apocalyptic number.

It is an amenable number.

22853893 is a deficient number, since it is larger than the sum of its proper divisors (24935).

22853893 is an equidigital number, since it uses as much as digits as its factorization.

22853893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24934.

The product of its digits is 103680, while the sum is 40.

The square root of 22853893 is about 4780.5745470602. The cubic root of 22853893 is about 283.7832315676.

The spelling of 22853893 in words is "twenty-two million, eight hundred fifty-three thousand, eight hundred ninety-three".