22853638 has 4 divisors (see below), whose sum is σ = 34280460. Its totient is φ = 11426818.

The previous prime is 22853629. The next prime is 22853639. The reversal of 22853638 is 83635822.

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

It is a junction number, because it is equal to n+sod(n) for n = 22853597 and 22853606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22853639) 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 as a sum of consecutive naturals, namely, 5713408 + ... + 5713411.

It is an arithmetic number, because the mean of its divisors is an integer number (8570115).

Almost surely, 2^22853638 is an apocalyptic number.

22853638 is a deficient number, since it is larger than the sum of its proper divisors (11426822).

22853638 is a wasteful number, since it uses less digits than its factorization.

22853638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11426821.

The product of its digits is 69120, while the sum is 37.

The square root of 22853638 is about 4780.5478765514. The cubic root of 22853638 is about 283.7821760947.

The spelling of 22853638 in words is "twenty-two million, eight hundred fifty-three thousand, six hundred thirty-eight".