33224285 has 8 divisors (see below), whose sum is σ = 41244120. Its totient is φ = 25662784.

The previous prime is 33224267. The next prime is 33224287. The reversal of 33224285 is 58242233.

It can be written as a sum of positive squares in 4 ways, for example, as 1267876 + 31956409 = 1126^2 + 5653^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33224285 - 2⁶ = 33224221 is a prime.

It is a super-2 number, since 2×33224285² = 2207706227522450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224287) 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, 114422 + ... + 114711.

It is an arithmetic number, because the mean of its divisors is an integer number (5155515).

Almost surely, 2^33224285 is an apocalyptic number.

It is an amenable number.

33224285 is a deficient number, since it is larger than the sum of its proper divisors (8019835).

33224285 is a wasteful number, since it uses less digits than its factorization.

33224285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229167.

The product of its digits is 11520, while the sum is 29.

The square root of 33224285 is about 5764.0510927645. The cubic root of 33224285 is about 321.4784614388.

The spelling of 33224285 in words is "thirty-three million, two hundred twenty-four thousand, two hundred eighty-five".