33224042 has 4 divisors (see below), whose sum is σ = 49836066. Its totient is φ = 16612020.

The previous prime is 33224017. The next prime is 33224047. The reversal of 33224042 is 24042233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 2076481 = 5581^2 + 1441^2 .

It is a super-2 number, since 2×33224042² = 2207673933635528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33224047) 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 as a sum of consecutive naturals, namely, 8306009 + ... + 8306012.

Almost surely, 2^33224042 is an apocalyptic number.

33224042 is a deficient number, since it is larger than the sum of its proper divisors (16612024).

33224042 is a wasteful number, since it uses less digits than its factorization.

33224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612023.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 33224042 is about 5764.0300138011. The cubic root of 33224042 is about 321.4776776802.

Adding to 33224042 its reverse (24042233), we get a palindrome (57266275).

The spelling of 33224042 in words is "thirty-three million, two hundred twenty-four thousand, forty-two".