30226985 has 4 divisors (see below), whose sum is σ = 36272388. Its totient is φ = 24181584.

The previous prime is 30226957. The next prime is 30226993. The reversal of 30226985 is 58962203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7311616 + 22915369 = 2704^2 + 4787^2 .

It is a cyclic number.

It is not a de Polignac number, because 30226985 - 2¹⁴ = 30210601 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 3022694 + ... + 3022703.

It is an arithmetic number, because the mean of its divisors is an integer number (9068097).

Almost surely, 2^30226985 is an apocalyptic number.

It is an amenable number.

30226985 is a deficient number, since it is larger than the sum of its proper divisors (6045403).

30226985 is an equidigital number, since it uses as much as digits as its factorization.

30226985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6045402.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30226985 is about 5497.9073291572. The cubic root of 30226985 is about 311.5049437246.

The spelling of 30226985 in words is "thirty million, two hundred twenty-six thousand, nine hundred eighty-five".