33449228 has 12 divisors (see below), whose sum is σ = 59496192. Its totient is φ = 16450320.

The previous prime is 33449219. The next prime is 33449233. The reversal of 33449228 is 82294433.

It is a happy number.

It is a super-2 number, since 2×33449228² = 2237701707591968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68300 + ... + 68787.

It is an arithmetic number, because the mean of its divisors is an integer number (4958016).

Almost surely, 2^33449228 is an apocalyptic number.

It is an amenable number.

33449228 is a deficient number, since it is larger than the sum of its proper divisors (26046964).

33449228 is a wasteful number, since it uses less digits than its factorization.

33449228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137152 (or 137150 counting only the distinct ones).

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

The square root of 33449228 is about 5783.5307555160. The cubic root of 33449228 is about 322.2023470015.

The spelling of 33449228 in words is "thirty-three million, four hundred forty-nine thousand, two hundred twenty-eight".