28322006 has 8 divisors (see below), whose sum is σ = 43203240. Its totient is φ = 13920928.

The previous prime is 28321999. The next prime is 28322011. The reversal of 28322006 is 60022382.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119891 + ... + 120126.

It is an arithmetic number, because the mean of its divisors is an integer number (5400405).

Almost surely, 2^28322006 is an apocalyptic number.

28322006 is a deficient number, since it is larger than the sum of its proper divisors (14881234).

28322006 is a wasteful number, since it uses less digits than its factorization.

28322006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240078.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28322006 is about 5321.8423501641. The cubic root of 28322006 is about 304.8185106777.

Adding to 28322006 its reverse (60022382), we get a palindrome (88344388).

The spelling of 28322006 in words is "twenty-eight million, three hundred twenty-two thousand, six".