33224416 has 12 divisors (see below), whose sum is σ = 65410632. Its totient is φ = 16612192.

The previous prime is 33224413. The next prime is 33224431. The reversal of 33224416 is 61442233.

It is a super-2 number, since 2×33224416² = 2207723637082112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33224413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519100 + ... + 519163.

It is an arithmetic number, because the mean of its divisors is an integer number (5450886).

Almost surely, 2^33224416 is an apocalyptic number.

It is an amenable number.

33224416 is a deficient number, since it is larger than the sum of its proper divisors (32186216).

33224416 is a wasteful number, since it uses less digits than its factorization.

33224416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038273 (or 1038265 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 33224416 is about 5764.0624562890. The cubic root of 33224416 is about 321.4788839573.

Adding to 33224416 its reverse (61442233), we get a palindrome (94666649).

The spelling of 33224416 in words is "thirty-three million, two hundred twenty-four thousand, four hundred sixteen".