1028225806 has 8 divisors (see below), whose sum is σ = 1546304760. Its totient is φ = 512790888.

The previous prime is 1028225797. The next prime is 1028225857. The reversal of 1028225806 is 6085228201.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 660036 + ... + 661591.

It is an arithmetic number, because the mean of its divisors is an integer number (193288095).

Almost surely, 2^1028225806 is an apocalyptic number.

1028225806 is a deficient number, since it is larger than the sum of its proper divisors (518078954).

1028225806 is a wasteful number, since it uses less digits than its factorization.

1028225806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322018.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1028225806 is about 32065.9602382339. The cubic root of 1028225806 is about 1009.3214427276.

The spelling of 1028225806 in words is "one billion, twenty-eight million, two hundred twenty-five thousand, eight hundred six".