33133442 has 8 divisors (see below), whose sum is σ = 52623756. Its totient is φ = 15592192.

The previous prime is 33133421. The next prime is 33133481. The reversal of 33133442 is 24433133.

It can be written as a sum of positive squares in 2 ways, for example, as 31259281 + 1874161 = 5591^2 + 1369^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487223 + ... + 487290.

Almost surely, 2^33133442 is an apocalyptic number.

33133442 is a deficient number, since it is larger than the sum of its proper divisors (19490314).

33133442 is a wasteful number, since it uses less digits than its factorization.

33133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974532.

The product of its digits is 2592, while the sum is 23.

The square root of 33133442 is about 5756.1655639844. The cubic root of 33133442 is about 321.1851947786.

Adding to 33133442 its reverse (24433133), we get a palindrome (57566575).

The spelling of 33133442 in words is "thirty-three million, one hundred thirty-three thousand, four hundred forty-two".