30228515 has 8 divisors (see below), whose sum is σ = 36305808. Its totient is φ = 24161760.

The previous prime is 30228511. The next prime is 30228529. The reversal of 30228515 is 51582203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30228515 - 2² = 30228511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30228511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6680 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (4538226).

Almost surely, 2^30228515 is an apocalyptic number.

30228515 is a deficient number, since it is larger than the sum of its proper divisors (6077293).

30228515 is a wasteful number, since it uses less digits than its factorization.

30228515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 30228515 is about 5498.0464712478. The cubic root of 30228515 is about 311.5101994536.

The spelling of 30228515 in words is "thirty million, two hundred twenty-eight thousand, five hundred fifteen".