28422383 has 8 divisors (see below), whose sum is σ = 31399680. Its totient is φ = 25510680.

The previous prime is 28422371. The next prime is 28422391. The reversal of 28422383 is 38322482.

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

It is not a de Polignac number, because 28422383 - 2⁸ = 28422127 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 (28422313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15485 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (3924960).

Almost surely, 2^28422383 is an apocalyptic number.

28422383 is a deficient number, since it is larger than the sum of its proper divisors (2977297).

28422383 is a wasteful number, since it uses less digits than its factorization.

28422383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32797.

The product of its digits is 18432, while the sum is 32.

The square root of 28422383 is about 5331.2646717266. The cubic root of 28422383 is about 305.1781920304.

Subtracting 28422383 from its reverse (38322482), we obtain a palindrome (9900099).

It can be divided in two parts, 2842 and 2383, that added together give a palindrome (5225).

The spelling of 28422383 in words is "twenty-eight million, four hundred twenty-two thousand, three hundred eighty-three".