30716225 has 24 divisors (see below), whose sum is σ = 39184992. Its totient is φ = 23878400.

The previous prime is 30716197. The next prime is 30716237. The reversal of 30716225 is 52261703.

It is a de Polignac number, because none of the positive numbers 2^k-30716225 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30716194 and 30716203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234410 + ... + 234540.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^30716225 is an apocalyptic number.

It is an amenable number.

30716225 is a deficient number, since it is larger than the sum of its proper divisors (8468767).

30716225 is a wasteful number, since it uses less digits than its factorization.

30716225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30716225 is about 5542.2220273100. Note that the first 3 decimals coincide. The cubic root of 30716225 is about 313.1765821002.

Adding to 30716225 its reverse (52261703), we get a palindrome (82977928).

The spelling of 30716225 in words is "thirty million, seven hundred sixteen thousand, two hundred twenty-five".