30225516 has 12 divisors (see below), whose sum is σ = 70526232. Its totient is φ = 10075168.

The previous prime is 30225493. The next prime is 30225521. The reversal of 30225516 is 61552203.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1259385 + ... + 1259408.

It is an arithmetic number, because the mean of its divisors is an integer number (5877186).

Almost surely, 2^30225516 is an apocalyptic number.

It is an amenable number.

30225516 is an abundant number, since it is smaller than the sum of its proper divisors (40300716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30225516 is a wasteful number, since it uses less digits than its factorization.

30225516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518800 (or 2518798 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 30225516 is about 5497.7737312479. The cubic root of 30225516 is about 311.4998973709.

Adding to 30225516 its reverse (61552203), we get a palindrome (91777719).

The spelling of 30225516 in words is "thirty million, two hundred twenty-five thousand, five hundred sixteen".