33225224 has 32 divisors (see below), whose sum is σ = 65920800. Its totient is φ = 15655680.

The previous prime is 33225221. The next prime is 33225229. The reversal of 33225224 is 42252233.

It is a super-2 number, since 2×33225224² = 2207831019700352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33225224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33225221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36179 + ... + 37085.

It is an arithmetic number, because the mean of its divisors is an integer number (2060025).

Almost surely, 2^33225224 is an apocalyptic number.

It is an amenable number.

33225224 is a deficient number, since it is larger than the sum of its proper divisors (32695576).

33225224 is a wasteful number, since it uses less digits than its factorization.

33225224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1169 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 33225224 is about 5764.1325453185. The cubic root of 33225224 is about 321.4814900009.

Adding to 33225224 its reverse (42252233), we get a palindrome (75477457).

The spelling of 33225224 in words is "thirty-three million, two hundred twenty-five thousand, two hundred twenty-four".