30228005 has 8 divisors (see below), whose sum is σ = 37524600. Its totient is φ = 23348416.

The previous prime is 30227999. The next prime is 30228041. The reversal of 30228005 is 50082203.

It is a Cunningham number, because it is equal to 5498²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 10876804 + 19351201 = 3298^2 + 4399^2 .

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 30228005 - 2⁶ = 30227941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104090 + ... + 104379.

It is an arithmetic number, because the mean of its divisors is an integer number (4690575).

Almost surely, 2^30228005 is an apocalyptic number.

It is an amenable number.

30228005 is a deficient number, since it is larger than the sum of its proper divisors (7296595).

30228005 is a wasteful number, since it uses less digits than its factorization.

30228005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208503.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 30228005 is about 5498.0000909422. Note that the first 4 decimals coincide. The cubic root of 30228005 is about 311.5084475636.

The spelling of 30228005 in words is "thirty million, two hundred twenty-eight thousand, five".