28223359 has 8 divisors (see below), whose sum is σ = 28939968. Its totient is φ = 27511680.

The previous prime is 28223357. The next prime is 28223381. The reversal of 28223359 is 95332282.

28223359 is nontrivially palindromic in base 14.

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

It is a cyclic number.

It is not a de Polignac number, because 28223359 - 2¹ = 28223357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28223353) 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, 12139 + ... + 14275.

It is an arithmetic number, because the mean of its divisors is an integer number (3617496).

Almost surely, 2^28223359 is an apocalyptic number.

28223359 is a deficient number, since it is larger than the sum of its proper divisors (716609).

28223359 is a wasteful number, since it uses less digits than its factorization.

28223359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465.

The product of its digits is 25920, while the sum is 34.

The square root of 28223359 is about 5312.5661407647. The cubic root of 28223359 is about 304.4641994934.

It can be divided in two parts, 28223 and 359, that added together give a palindrome (28582).

The spelling of 28223359 in words is "twenty-eight million, two hundred twenty-three thousand, three hundred fifty-nine".