33229216 has 24 divisors (see below), whose sum is σ = 66213504. Its totient is φ = 16413120.

The previous prime is 33229199. The next prime is 33229223. The reversal of 33229216 is 61292233.

33229216 = T₈₅₃ + T₈₅₄ + ... + T₉₃₅.

It is a super-2 number, since 2×33229216² = 2208361591949312, which contains 22 as substring.

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, 3600 + ... + 8911.

It is an arithmetic number, because the mean of its divisors is an integer number (2758896).

Almost surely, 2^33229216 is an apocalyptic number.

It is an amenable number.

33229216 is a deficient number, since it is larger than the sum of its proper divisors (32984288).

33229216 is a wasteful number, since it uses less digits than its factorization.

33229216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12604 (or 12596 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 33229216 is about 5764.4788142555. The cubic root of 33229216 is about 321.4943647846.

The spelling of 33229216 in words is "thirty-three million, two hundred twenty-nine thousand, two hundred sixteen".