33225570 has 96 divisors (see below), whose sum is σ = 103064832. Its totient is φ = 7261056.

The previous prime is 33225557. The next prime is 33225571. The reversal of 33225570 is 7552233.

It is a super-2 number, since 2×33225570² = 2207877003649800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33225571) 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 47 ways as a sum of consecutive naturals, for example, 13344 + ... + 15636.

It is an arithmetic number, because the mean of its divisors is an integer number (1073592).

Almost surely, 2^33225570 is an apocalyptic number.

33225570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33225570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51532416).

33225570 is an abundant number, since it is smaller than the sum of its proper divisors (69839262).

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

33225570 is a wasteful number, since it uses less digits than its factorization.

33225570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 33225570 is about 5764.1625584295. The cubic root of 33225570 is about 321.4826059423.

The spelling of 33225570 in words is "thirty-three million, two hundred twenty-five thousand, five hundred seventy".