28522799 has 2 divisors, whose sum is σ = 28522800. Its totient is φ = 28522798.

The previous prime is 28522789. The next prime is 28522817. The reversal of 28522799 is 99722582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28522799 - 2¹² = 28518703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28522789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14261399 + 14261400.

It is an arithmetic number, because the mean of its divisors is an integer number (14261400).

Almost surely, 2^28522799 is an apocalyptic number.

28522799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28522799 is an equidigital number, since it uses as much as digits as its factorization.

28522799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 28522799 is about 5340.6740211325. The cubic root of 28522799 is about 305.5371667954.

The spelling of 28522799 in words is "twenty-eight million, five hundred twenty-two thousand, seven hundred ninety-nine".