33012422 has 4 divisors (see below), whose sum is σ = 49518636. Its totient is φ = 16506210.

The previous prime is 33012403. The next prime is 33012437. The reversal of 33012422 is 22421033.

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

It is a self number, because there is not a number n which added to its sum of digits gives 33012422.

It is a congruent number.

It is an unprimeable number.

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, 8253104 + ... + 8253107.

It is an arithmetic number, because the mean of its divisors is an integer number (12379659).

Almost surely, 2^33012422 is an apocalyptic number.

33012422 is a deficient number, since it is larger than the sum of its proper divisors (16506214).

33012422 is a wasteful number, since it uses less digits than its factorization.

33012422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506213.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 33012422 is about 5745.6437411312. The cubic root of 33012422 is about 320.7936744067.

Adding to 33012422 its reverse (22421033), we get a palindrome (55433455).

The spelling of 33012422 in words is "thirty-three million, twelve thousand, four hundred twenty-two".