33420044 has 12 divisors (see below), whose sum is σ = 66840144. Its totient is φ = 14322864.

The previous prime is 33420041. The next prime is 33420047. The reversal of 33420044 is 44002433.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33420041) and next prime (33420047).

33420044 is an admirable number.

It is a super-2 number, since 2×33420044² = 2233798681923872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33419998 and 33420025.

It is not an unprimeable number, because it can be changed into a prime (33420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596759 + ... + 596814.

It is an arithmetic number, because the mean of its divisors is an integer number (5570012).

Almost surely, 2^33420044 is an apocalyptic number.

It is an amenable number.

33420044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33420044 is a wasteful number, since it uses less digits than its factorization.

33420044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193584 (or 1193582 counting only the distinct ones).

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

The square root of 33420044 is about 5781.0071786844. The cubic root of 33420044 is about 322.1086140029.

Adding to 33420044 its reverse (44002433), we get a palindrome (77422477).

The spelling of 33420044 in words is "thirty-three million, four hundred twenty thousand, forty-four".