30382225 has 12 divisors (see below), whose sum is σ = 37743244. Its totient is φ = 24261120.

The previous prime is 30382223. The next prime is 30382229. The reversal of 30382225 is 52228303.

It can be written as a sum of positive squares in 6 ways, for example, as 88209 + 30294016 = 297^2 + 5504^2 .

It is not a de Polignac number, because 30382225 - 2¹ = 30382223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30382225.

It is not an unprimeable number, because it can be changed into a prime (30382223) by changing a digit.

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, 22777 + ... + 24073.

Almost surely, 2^30382225 is an apocalyptic number.

It is an amenable number.

30382225 is a deficient number, since it is larger than the sum of its proper divisors (7361019).

30382225 is a wasteful number, since it uses less digits than its factorization.

30382225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30382225 is about 5512.0073476003. The cubic root of 30382225 is about 312.0373099421.

It can be divided in two parts, 303 and 82225, that added together give a palindrome (82528).

The spelling of 30382225 in words is "thirty million, three hundred eighty-two thousand, two hundred twenty-five".