33228944 has 20 divisors (see below), whose sum is σ = 73578624. Its totient is φ = 14240928.

The previous prime is 33228917. The next prime is 33228947. The reversal of 33228944 is 44982233.

It is a happy number.

It is a super-2 number, since 2×33228944² = 2208325438710272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33228947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148232 + ... + 148455.

Almost surely, 2^33228944 is an apocalyptic number.

It is an amenable number.

33228944 is an abundant number, since it is smaller than the sum of its proper divisors (40349680).

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

33228944 is a wasteful number, since it uses less digits than its factorization.

33228944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296702 (or 296696 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 33228944 is about 5764.4552214411. The cubic root of 33228944 is about 321.4934875776.

The spelling of 33228944 in words is "thirty-three million, two hundred twenty-eight thousand, nine hundred forty-four".