33225917 has 4 divisors (see below), whose sum is σ = 33255936. Its totient is φ = 33195900.

The previous prime is 33225911. The next prime is 33225943. The reversal of 33225917 is 71952233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33225917 - 2⁶ = 33225853 is a prime.

It is a super-2 number, since 2×33225917² = 2207923120981778, 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 (33225911) 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 3 ways as a sum of consecutive naturals, for example, 13283 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (8313984).

Almost surely, 2^33225917 is an apocalyptic number.

It is an amenable number.

33225917 is a deficient number, since it is larger than the sum of its proper divisors (30019).

33225917 is a wasteful number, since it uses less digits than its factorization.

33225917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30018.

The product of its digits is 11340, while the sum is 32.

The square root of 33225917 is about 5764.1926581265. The cubic root of 33225917 is about 321.4837251012.

The spelling of 33225917 in words is "thirty-three million, two hundred twenty-five thousand, nine hundred seventeen".