28225814 has 16 divisors (see below), whose sum is σ = 44938800. Its totient is φ = 13250304.

The previous prime is 28225793. The next prime is 28225817. The reversal of 28225814 is 41852282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28225817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18617 + ... + 20075.

It is an arithmetic number, because the mean of its divisors is an integer number (2808675).

Almost surely, 2^28225814 is an apocalyptic number.

28225814 is a deficient number, since it is larger than the sum of its proper divisors (16712986).

28225814 is a wasteful number, since it uses less digits than its factorization.

28225814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047.

The product of its digits is 10240, while the sum is 32.

The square root of 28225814 is about 5312.7971916873. The cubic root of 28225814 is about 304.4730271450.

The spelling of 28225814 in words is "twenty-eight million, two hundred twenty-five thousand, eight hundred fourteen".