33225500 has 96 divisors (see below), whose sum is σ = 90574848. Its totient is φ = 10344000.

The previous prime is 33225499. The next prime is 33225527. The reversal of 33225500 is 552233.

It is a super-2 number, since 2×33225500² = 2207867700500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 38069 + ... + 38931.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^33225500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45287424).

33225500 is an abundant number, since it is smaller than the sum of its proper divisors (57349348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33225500 is a wasteful number, since it uses less digits than its factorization.

33225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 33225500 is about 5764.1564864254. The cubic root of 33225500 is about 321.4823801745.

Adding to 33225500 its reverse (552233), we get a palindrome (33777733).

The spelling of 33225500 in words is "thirty-three million, two hundred twenty-five thousand, five hundred".