28226927 has 2 divisors, whose sum is σ = 28226928. Its totient is φ = 28226926.

The previous prime is 28226923. The next prime is 28226929. The reversal of 28226927 is 72962282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28226927 - 2² = 28226923 is a prime.

Together with 28226929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28226923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14113463 + 14113464.

It is an arithmetic number, because the mean of its divisors is an integer number (14113464).

Almost surely, 2^28226927 is an apocalyptic number.

28226927 is a deficient number, since it is larger than the sum of its proper divisors (1).

28226927 is an equidigital number, since it uses as much as digits as its factorization.

28226927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 28226927 is about 5312.9019377361. The cubic root of 28226927 is about 304.4770290848.

The spelling of 28226927 in words is "twenty-eight million, two hundred twenty-six thousand, nine hundred twenty-seven".