30227985 has 28 divisors (see below), whose sum is σ = 54392052. Its totient is φ = 16119648.

The previous prime is 30227971. The next prime is 30227999. The reversal of 30227985 is 58972203.

It is a happy number.

30227985 is a `hidden beast` number, since 302 + 279 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (30227971) and next prime (30227999).

It can be written as a sum of positive squares in 2 ways, for example, as 8661249 + 21566736 = 2943^2 + 4644^2 .

It is not a de Polignac number, because 30227985 - 2¹³ = 30219793 is a prime.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 502 + ... + 7791.

Almost surely, 2^30227985 is an apocalyptic number.

It is an amenable number.

30227985 is a deficient number, since it is larger than the sum of its proper divisors (24164067).

30227985 is an frugal number, since it uses more digits than its factorization.

30227985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 30227985 is about 5497.9982720987. The cubic root of 30227985 is about 311.5083788616.

The spelling of 30227985 in words is "thirty million, two hundred twenty-seven thousand, nine hundred eighty-five".