33225545 has 8 divisors (see below), whose sum is σ = 39902280. Its totient is φ = 26559360.

The previous prime is 33225527. The next prime is 33225557. The reversal of 33225545 is 54552233.

It can be written as a sum of positive squares in 4 ways, for example, as 2611456 + 30614089 = 1616^2 + 5533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33225545 - 2⁸ = 33225289 is a prime.

It is a super-2 number, since 2×33225545² = 2207873681094050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8855 + ... + 12035.

It is an arithmetic number, because the mean of its divisors is an integer number (4987785).

Almost surely, 2^33225545 is an apocalyptic number.

It is an amenable number.

33225545 is a deficient number, since it is larger than the sum of its proper divisors (6676735).

33225545 is a wasteful number, since it uses less digits than its factorization.

33225545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its digits is 18000, while the sum is 29.

The square root of 33225545 is about 5764.1603898573. The cubic root of 33225545 is about 321.4825253110.

Adding to 33225545 its reverse (54552233), we get a palindrome (87777778).

The spelling of 33225545 in words is "thirty-three million, two hundred twenty-five thousand, five hundred forty-five".