33222232 has 32 divisors (see below), whose sum is σ = 64152000. Its totient is φ = 16121344.

The previous prime is 33222223. The next prime is 33222239. The reversal of 33222232 is 23222233.

It is a super-2 number, since 2×33222232² = 2207433398123648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33222239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55728 + ... + 56320.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 2^33222232 is an apocalyptic number.

It is an amenable number.

33222232 is a deficient number, since it is larger than the sum of its proper divisors (30929768).

33222232 is a wasteful number, since it uses less digits than its factorization.

33222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 791 counting only the distinct ones).

The product of its digits is 864, while the sum is 19.

The square root of 33222232 is about 5763.8730034587. The cubic root of 33222232 is about 321.4718396873.

Adding to 33222232 its reverse (23222233), we get a palindrome (56444465).

Subtracting from 33222232 its reverse (23222233), we obtain a palindrome (9999999).

The spelling of 33222232 in words is "thirty-three million, two hundred twenty-two thousand, two hundred thirty-two".