33225330 has 16 divisors (see below), whose sum is σ = 79740864. Its totient is φ = 8860080.

The previous prime is 33225323. The next prime is 33225331. The reversal of 33225330 is 3352233.

It is a super-2 number, since 2×33225330² = 2207845107217800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33225297 and 33225306.

It is not an unprimeable number, because it can be changed into a prime (33225331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 553726 + ... + 553785.

It is an arithmetic number, because the mean of its divisors is an integer number (4983804).

Almost surely, 2^33225330 is an apocalyptic number.

33225330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33225330 is an abundant number, since it is smaller than the sum of its proper divisors (46515534).

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

33225330 is a wasteful number, since it uses less digits than its factorization.

33225330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107521.

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 33225330 is about 5764.1417401032. The cubic root of 33225330 is about 321.4818318798.

Adding to 33225330 its reverse (3352233), we get a palindrome (36577563).

The spelling of 33225330 in words is "thirty-three million, two hundred twenty-five thousand, three hundred thirty".