28026224 has 10 divisors (see below), whose sum is σ = 54300840. Its totient is φ = 14013104.

The previous prime is 28026223. The next prime is 28026253. The reversal of 28026224 is 42262082.

It is a junction number, because it is equal to n+sod(n) for n = 28026193 and 28026202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28026223) 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 as a sum of consecutive naturals, namely, 875804 + ... + 875835.

It is an arithmetic number, because the mean of its divisors is an integer number (5430084).

Almost surely, 2^28026224 is an apocalyptic number.

It is an amenable number.

28026224 is a deficient number, since it is larger than the sum of its proper divisors (26274616).

28026224 is a wasteful number, since it uses less digits than its factorization.

28026224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751647 (or 1751641 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 28026224 is about 5293.9799772950. The cubic root of 28026224 is about 303.7536670232.

The spelling of 28026224 in words is "twenty-eight million, twenty-six thousand, two hundred twenty-four".