33521242 has 8 divisors (see below), whose sum is σ = 50583456. Its totient is φ = 16660092.

The previous prime is 33521237. The next prime is 33521321. The reversal of 33521242 is 24212533.

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

It is a super-2 number, since 2×33521242² = 2247347330445128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49848 + ... + 50515.

It is an arithmetic number, because the mean of its divisors is an integer number (6322932).

Almost surely, 2^33521242 is an apocalyptic number.

33521242 is a deficient number, since it is larger than the sum of its proper divisors (17062214).

33521242 is a wasteful number, since it uses less digits than its factorization.

33521242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100532.

The product of its digits is 1440, while the sum is 22.

The square root of 33521242 is about 5789.7531899037. The cubic root of 33521242 is about 322.4334081203.

Adding to 33521242 its reverse (24212533), we get a palindrome (57733775).

The spelling of 33521242 in words is "thirty-three million, five hundred twenty-one thousand, two hundred forty-two".