33222224 has 20 divisors (see below), whose sum is σ = 73563744. Its totient is φ = 14238048.

The previous prime is 33222223. The next prime is 33222239. The reversal of 33222224 is 42222233.

It is a super-2 number, since 2×33222224² = 2207432335012352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33222196 and 33222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222223) 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, 148202 + ... + 148425.

Almost surely, 2^33222224 is an apocalyptic number.

It is an amenable number.

33222224 is an abundant number, since it is smaller than the sum of its proper divisors (40341520).

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

33222224 is a wasteful number, since it uses less digits than its factorization.

33222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296642 (or 296636 counting only the distinct ones).

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

The square root of 33222224 is about 5763.8723094808. The cubic root of 33222224 is about 321.4718138836.

Adding to 33222224 its reverse (42222233), we get a palindrome (75444457).

Subtracting 33222224 from its reverse (42222233), we obtain a palindrome (9000009).

The spelling of 33222224 in words is "thirty-three million, two hundred twenty-two thousand, two hundred twenty-four".