30242215 has 16 divisors (see below), whose sum is σ = 38465280. Its totient is φ = 22785280.

The previous prime is 30242207. The next prime is 30242231. The reversal of 30242215 is 51224203.

It is not a de Polignac number, because 30242215 - 2³ = 30242207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30242192 and 30242201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3402 + ... + 8488.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^30242215 is an apocalyptic number.

30242215 is a deficient number, since it is larger than the sum of its proper divisors (8223065).

30242215 is a wasteful number, since it uses less digits than its factorization.

30242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30242215 is about 5499.2922271871. The cubic root of 30242215 is about 311.5572526545.

Adding to 30242215 its reverse (51224203), we get a palindrome (81466418).

The spelling of 30242215 in words is "thirty million, two hundred forty-two thousand, two hundred fifteen".