30228238 has 8 divisors (see below), whose sum is σ = 46307232. Its totient is φ = 14792496.

The previous prime is 30228203. The next prime is 30228241. The reversal of 30228238 is 83282203.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160695 + ... + 160882.

It is an arithmetic number, because the mean of its divisors is an integer number (5788404).

Almost surely, 2^30228238 is an apocalyptic number.

30228238 is a deficient number, since it is larger than the sum of its proper divisors (16078994).

30228238 is a wasteful number, since it uses less digits than its factorization.

30228238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321626.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30228238 is about 5498.0212804244. The cubic root of 30228238 is about 311.5092479393.

The spelling of 30228238 in words is "thirty million, two hundred twenty-eight thousand, two hundred thirty-eight".