33845225 has 6 divisors (see below), whose sum is σ = 41968110. Its totient is φ = 27076160.

The previous prime is 33845219. The next prime is 33845243. The reversal of 33845225 is 52254833.

33845225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 33028009 = 904^2 + 5747^2 .

It is a de Polignac number, because none of the positive numbers 2^k-33845225 is a prime.

It is a super-2 number, since 2×33845225² = 2290998510601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33845191 and 33845200.

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 5 ways as a sum of consecutive naturals, for example, 676880 + ... + 676929.

It is an arithmetic number, because the mean of its divisors is an integer number (6994685).

Almost surely, 2^33845225 is an apocalyptic number.

It is an amenable number.

33845225 is a deficient number, since it is larger than the sum of its proper divisors (8122885).

33845225 is a wasteful number, since it uses less digits than its factorization.

33845225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353819 (or 1353814 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 33845225 is about 5817.6649095664. The cubic root of 33845225 is about 323.4688529822.

The spelling of 33845225 in words is "thirty-three million, eight hundred forty-five thousand, two hundred twenty-five".