33421044 has 12 divisors (see below), whose sum is σ = 77982464. Its totient is φ = 11140344.

The previous prime is 33420991. The next prime is 33421067. The reversal of 33421044 is 44012433.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33421044² = 2233932364099872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33421044.

It is a congruent number.

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, 1392532 + ... + 1392555.

Almost surely, 2^33421044 is an apocalyptic number.

It is an amenable number.

33421044 is an abundant number, since it is smaller than the sum of its proper divisors (44561420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33421044 is a wasteful number, since it uses less digits than its factorization.

33421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785094 (or 2785092 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 33421044 is about 5781.0936681566. The cubic root of 33421044 is about 322.1118266996. Note that the first 3 decimals are identical.

Adding to 33421044 its reverse (44012433), we get a palindrome (77433477).

The spelling of 33421044 in words is "thirty-three million, four hundred twenty-one thousand, forty-four".