30432225 has 12 divisors (see below), whose sum is σ = 50314736. Its totient is φ = 16230480.

The previous prime is 30432211. The next prime is 30432251. The reversal of 30432225 is 52223403.

It is not a de Polignac number, because 30432225 - 2⁶ = 30432161 is a prime.

It is a super-2 number, since 2×30432225² = 1852240636901250, which contains 22 as substring.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 202807 + ... + 202956.

Almost surely, 2^30432225 is an apocalyptic number.

It is an amenable number.

30432225 is a deficient number, since it is larger than the sum of its proper divisors (19882511).

30432225 is a wasteful number, since it uses less digits than its factorization.

30432225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405776 (or 405771 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30432225 is about 5516.5410358303. The cubic root of 30432225 is about 312.2083893002.

Adding to 30432225 its reverse (52223403), we get a palindrome (82655628).

The spelling of 30432225 in words is "thirty million, four hundred thirty-two thousand, two hundred twenty-five".