28233105 has 8 divisors (see below), whose sum is σ = 45172992. Its totient is φ = 15057648.

The previous prime is 28233103. The next prime is 28233113. The reversal of 28233105 is 50133282.

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

It is not a de Polignac number, because 28233105 - 2¹ = 28233103 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28233103) 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, 941089 + ... + 941118.

It is an arithmetic number, because the mean of its divisors is an integer number (5646624).

Almost surely, 2^28233105 is an apocalyptic number.

It is an amenable number.

28233105 is a deficient number, since it is larger than the sum of its proper divisors (16939887).

28233105 is a wasteful number, since it uses less digits than its factorization.

28233105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882215.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28233105 is about 5313.4833207605. The cubic root of 28233105 is about 304.4992409945.

Adding to 28233105 its reverse (50133282), we get a palindrome (78366387).

The spelling of 28233105 in words is "twenty-eight million, two hundred thirty-three thousand, one hundred five".