33225405 has 16 divisors (see below), whose sum is σ = 53443584. Its totient is φ = 17625920.

The previous prime is 33225403. The next prime is 33225407. The reversal of 33225405 is 50452233.

It is an interprime number because it is at equal distance from previous prime (33225403) and next prime (33225407).

It is not a de Polignac number, because 33225405 - 2¹ = 33225403 is a prime.

It is a super-2 number, since 2×33225405² = 2207855074828050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 2934 + ... + 8663.

It is an arithmetic number, because the mean of its divisors is an integer number (3340224).

Almost surely, 2^33225405 is an apocalyptic number.

It is an amenable number.

33225405 is a deficient number, since it is larger than the sum of its proper divisors (20218179).

33225405 is a wasteful number, since it uses less digits than its factorization.

33225405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11796.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 33225405 is about 5764.1482458382. The cubic root of 33225405 is about 321.4820737747.

Adding to 33225405 its reverse (50452233), we get a palindrome (83677638).

The spelling of 33225405 in words is "thirty-three million, two hundred twenty-five thousand, four hundred five".