30848225 has 6 divisors (see below), whose sum is σ = 38251830. Its totient is φ = 24678560.

The previous prime is 30848197. The next prime is 30848227. The reversal of 30848225 is 52284803.

It can be written as a sum of positive squares in 3 ways, for example, as 719104 + 30129121 = 848^2 + 5489^2 .

It is not a de Polignac number, because 30848225 - 2⁶ = 30848161 is a prime.

It is a super-2 number, since 2×30848225² = 1903225971301250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30848191 and 30848200.

It is not an unprimeable number, because it can be changed into a prime (30848227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616940 + ... + 616989.

It is an arithmetic number, because the mean of its divisors is an integer number (6375305).

Almost surely, 2^30848225 is an apocalyptic number.

It is an amenable number.

30848225 is a deficient number, since it is larger than the sum of its proper divisors (7403605).

30848225 is a wasteful number, since it uses less digits than its factorization.

30848225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233939 (or 1233934 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 30848225 is about 5554.1178417459. The cubic root of 30848225 is about 313.6245563395.

The spelling of 30848225 in words is "thirty million, eight hundred forty-eight thousand, two hundred twenty-five".