33225453 has 6 divisors (see below), whose sum is σ = 47992334. Its totient is φ = 22150296.

The previous prime is 33225427. The next prime is 33225461. The reversal of 33225453 is 35452233.

It can be written as a sum of positive squares in only one way, i.e., 20820969 + 12404484 = 4563^2 + 3522^2 .

It is not a de Polignac number, because 33225453 - 2⁵ = 33225421 is a prime.

It is a super-2 number, since 2×33225453² = 2207861454110418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1845850 + ... + 1845867.

Almost surely, 2^33225453 is an apocalyptic number.

It is an amenable number.

33225453 is a deficient number, since it is larger than the sum of its proper divisors (14766881).

33225453 is a wasteful number, since it uses less digits than its factorization.

33225453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691723 (or 3691720 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 33225453 is about 5764.1524095048. The cubic root of 33225453 is about 321.4822285873.

Adding to 33225453 its reverse (35452233), we get a palindrome (68677686).

The spelling of 33225453 in words is "thirty-three million, two hundred twenty-five thousand, four hundred fifty-three".