28226105 has 8 divisors (see below), whose sum is σ = 33921600. Its totient is φ = 22547376.

The previous prime is 28226101. The next prime is 28226111. The reversal of 28226105 is 50162282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28226105 - 2² = 28226101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28226101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (4240200).

Almost surely, 2^28226105 is an apocalyptic number.

It is an amenable number.

28226105 is a deficient number, since it is larger than the sum of its proper divisors (5695495).

28226105 is an equidigital number, since it uses as much as digits as its factorization.

28226105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 28226105 is about 5312.8245783199. The cubic root of 28226105 is about 304.4740734844.

Adding to 28226105 its reverse (50162282), we get a palindrome (78388387).

The spelling of 28226105 in words is "twenty-eight million, two hundred twenty-six thousand, one hundred five".