33424244 has 96 divisors (see below), whose sum is σ = 76640256. Its totient is φ = 12418560.

The previous prime is 33424243. The next prime is 33424247. The reversal of 33424244 is 44242433.

It is a super-2 number, since 2×33424244² = 2234360173943072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33424243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470729 + ... + 470799.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^33424244 is an apocalyptic number.

33424244 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33424244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38320128).

33424244 is an abundant number, since it is smaller than the sum of its proper divisors (43216012).

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

33424244 is a wasteful number, since it uses less digits than its factorization.

33424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its digits is 9216, while the sum is 26.

The square root of 33424244 is about 5781.3704257728. The cubic root of 33424244 is about 322.1221068986.

Adding to 33424244 its reverse (44242433), we get a palindrome (77666677).

The spelling of 33424244 in words is "thirty-three million, four hundred twenty-four thousand, two hundred forty-four".