33225745 has 8 divisors (see below), whose sum is σ = 45566784. Its totient is φ = 22783344.

The previous prime is 33225727. The next prime is 33225749. The reversal of 33225745 is 54752233.

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

It is a cyclic number.

It is not a de Polignac number, because 33225745 - 2¹⁵ = 33192977 is a prime.

It is a super-2 number, since 2×33225745² = 2207900261610050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33225749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474619 + ... + 474688.

It is an arithmetic number, because the mean of its divisors is an integer number (5695848).

Almost surely, 2^33225745 is an apocalyptic number.

33225745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33225745 is a deficient number, since it is larger than the sum of its proper divisors (12341039).

33225745 is an equidigital number, since it uses as much as digits as its factorization.

33225745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949319.

The product of its digits is 25200, while the sum is 31.

The square root of 33225745 is about 5764.1777384116. The cubic root of 33225745 is about 321.4831703606.

Adding to 33225745 its reverse (54752233), we get a palindrome (87977978).

The spelling of 33225745 in words is "thirty-three million, two hundred twenty-five thousand, seven hundred forty-five".