28226059 has 4 divisors (see below), whose sum is σ = 28566216. Its totient is φ = 27885904.

The previous prime is 28225993. The next prime is 28226071. The reversal of 28226059 is 95062282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28226059 - 2¹¹ = 28224011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28226459) 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 3 ways as a sum of consecutive naturals, for example, 169954 + ... + 170119.

It is an arithmetic number, because the mean of its divisors is an integer number (7141554).

Almost surely, 2^28226059 is an apocalyptic number.

28226059 is a deficient number, since it is larger than the sum of its proper divisors (340157).

28226059 is an equidigital number, since it uses as much as digits as its factorization.

28226059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340156.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 28226059 is about 5312.8202491709. The cubic root of 28226059 is about 304.4739080841.

The spelling of 28226059 in words is "twenty-eight million, two hundred twenty-six thousand, fifty-nine".