33224430 has 32 divisors (see below), whose sum is σ = 82490400. Its totient is φ = 8554112.

The previous prime is 33224413. The next prime is 33224431. The reversal of 33224430 is 3442233.

It is a super-2 number, since 2×33224430² = 2207725497649800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33224397 and 33224406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18225 + ... + 19964.

It is an arithmetic number, because the mean of its divisors is an integer number (2577825).

Almost surely, 2^33224430 is an apocalyptic number.

33224430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33224430 is an abundant number, since it is smaller than the sum of its proper divisors (49265970).

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

33224430 is a wasteful number, since it uses less digits than its factorization.

33224430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38228.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33224430 is about 5764.0636707101. The cubic root of 33224430 is about 321.4789291119.

Adding to 33224430 its reverse (3442233), we get a palindrome (36666663).

The spelling of 33224430 in words is "thirty-three million, two hundred twenty-four thousand, four hundred thirty".