30185224 has 32 divisors (see below), whose sum is σ = 60436800. Its totient is φ = 14091840.

The previous prime is 30185219. The next prime is 30185231. The reversal of 30185224 is 42258103.

It is a super-2 number, since 2×30185224² = 1822295495860352, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9394 + ... + 12190.

It is an arithmetic number, because the mean of its divisors is an integer number (1888650).

Almost surely, 2^30185224 is an apocalyptic number.

It is an amenable number.

30185224 is an abundant number, since it is smaller than the sum of its proper divisors (30251576).

30185224 is a wasteful number, since it uses less digits than its factorization.

30185224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893 (or 2889 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 30185224 is about 5494.1081168830. The cubic root of 30185224 is about 311.3614212679.

The spelling of 30185224 in words is "thirty million, one hundred eighty-five thousand, two hundred twenty-four".